@article{Knepper1985,
  author    = {Knepper, Ludger},
  title     = {Der moderne Luftfrachtverkehr - leistungsfaehig durch seine bodengebundenen Umschlagssysteme},
  pages     = {60 -- 69},
  year      = {1985},
  language  = {de}
}
@article{JanzBeiseEblingetal.1999,
  author    = {Janz, Norbert and Beise, M. and Ebling, G{\"u}nther and Licht, Georg},
  title     = {Innovationsaktivit{\"a}ten im verarbeitenden Gewerbe: Ergebnisse der Innovationserhebung 1997 / Beise, M., G. Ebling, N. Janz, G. Licht und H. Niggemann},
  series = {Innovationsaktivit{\"a}ten in der deutschen Wirtschaft : Analyse der Mannheimer Innovationspanels im Verarbeitenden Gewerbe und im Dienstleistungssektor / Norbert Janz ... (Hrsg.)},
  journal   = {Innovationsaktivit{\"a}ten in der deutschen Wirtschaft : Analyse der Mannheimer Innovationspanels im Verarbeitenden Gewerbe und im Dienstleistungssektor / Norbert Janz ... (Hrsg.)},
  publisher = {Nomos-Verl.-Ges.},
  address   = {Baden-Baden},
  isbn      = {3-7890-6179-4},
  pages     = {9 -- 98},
  year      = {1999},
  language  = {de}
}
@article{Knepper1985,
  author    = {Knepper, Ludger},
  title     = {Hochregallager fuer Luftfracht - 365 Tage pro Jahr in Betrieb},
  series = {Foerdern und Heben. 35 (1985), H. 5},
  journal   = {Foerdern und Heben. 35 (1985), H. 5},
  isbn      = {0341-2636},
  pages     = {363 -- 366},
  year      = {1985},
  language  = {de}
}
@article{Knepper1984,
  author    = {Knepper, Ludger},
  title     = {Integrierte Hochregallager als materialflusstechnische Knotenpunkte moderner Produktions- und Umschlaganlagen},
  pages     = {93 -- 100},
  year      = {1984},
  language  = {de}
}
@article{Knepper1983,
  author    = {Knepper, Ludger},
  title     = {Verstaerkte materialflusstechnische Integration von Hochregallagern in Produktions- und Umschlaganlagen},
  pages     = {219 -- 224},
  year      = {1983},
  language  = {de}
}
@article{Knepper1981,
  author    = {Knepper, Ludger},
  title     = {Im neuen Lufthansa-Frachtterminal: vom Hochregallager direkt ins Flugzeug},
  series = {Foerdermittel Journal. Kennzifferzeitschrift fuer Materialfluss, Lager und Transport. 13 (1981), H. 7/8},
  journal   = {Foerdermittel Journal. Kennzifferzeitschrift fuer Materialfluss, Lager und Transport. 13 (1981), H. 7/8},
  isbn      = {0013-5674},
  pages     = {22 -- 24},
  year      = {1981},
  language  = {de}
}
@book{Knepper1978,
  author    = {Knepper, Ludger},
  title     = {Einsatz undAuslegung von Hochlagersystemen fuer Container, dargestellt am Beispiel einer Seehafenumschlaganlage},
  address   = {Aachen},
  year      = {1978},
  language  = {de}
}
@article{Knepper1984,
  author    = {Knepper, Ludger},
  title     = {Integrierte Hochregallager als materialflusstechnische Knotenpunkte moderner Produktions- und Umschlaganlagen},
  series = {Deutsche Hebe- und Foerdertechnik. 30 (1984), H. 12},
  journal   = {Deutsche Hebe- und Foerdertechnik. 30 (1984), H. 12},
  isbn      = {0012-0278},
  pages     = {88 -- 93},
  year      = {1984},
  language  = {de}
}
@article{Knepper1996,
  author    = {Knepper, Ludger},
  title     = {Simulation: Vom reinen Planungswerkzeug zum Betriebsf{\"u}hrungs-Instrument},
  series = {Foerdern und Heben. 46 (1996), H. 3},
  journal   = {Foerdern und Heben. 46 (1996), H. 3},
  isbn      = {0341-2636},
  pages     = {158 -- 160},
  year      = {1996},
  language  = {de}
}
@article{Janz2005,
  author    = {Janz, Norbert},
  title     = {Der Skandal der Arbeitslosigkeit},
  series = {Christsein heute: Zeitschrift f{\"u}r Gemeinde und Familie / Bund Freier Evangelischer Gemeinden. 112 (2005), H. 4},
  journal   = {Christsein heute: Zeitschrift f{\"u}r Gemeinde und Familie / Bund Freier Evangelischer Gemeinden. 112 (2005), H. 4},
  isbn      = {0942-0061},
  pages     = {12 -- 15},
  year      = {2005},
  language  = {de}
}
@article{Janz2002,
  author    = {Janz, Norbert},
  title     = {Bremse f{\"u}r den Fortschritt. Wie Fachkr{\"a}ftemangel die Innovationskultur hemmt},
  series = {Frankfurter Allgemeine Zeitung . Sonderbeilage 204 "Unternehmer heute", B5 (2002)},
  journal   = {Frankfurter Allgemeine Zeitung . Sonderbeilage 204 "Unternehmer heute", B5 (2002)},
  year      = {2002},
  language  = {de}
}
@article{Janz2002,
  author    = {Janz, Norbert},
  title     = {Innovative Power of German Manufacturing Industry Slows Down},
  series = {ZEW news. English edition. 4 (2002), H. 2002},
  journal   = {ZEW news. English edition. 4 (2002), H. 2002},
  pages     = {5 -- 5},
  year      = {2002},
  language  = {en}
}
@article{Janz2002,
  author    = {Janz, Norbert},
  title     = {Innovationskraft der deutschen Industrie gebremst},
  series = {ZEW news. (2002)},
  journal   = {ZEW news. (2002)},
  pages     = {4 -- 4},
  year      = {2002},
  language  = {de}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Innovations in Germany: Market Novelties Gain Greater Importance},
  series = {ZEW news. English edition (2001)},
  journal   = {ZEW news. English edition (2001)},
  pages     = {3 -- 3},
  year      = {2001},
  language  = {en}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Innovationen in Deutschland: Unternehmen setzen verst{\"a}rkt auf Marktneuheiten},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 6},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 6},
  isbn      = {0946-4689},
  pages     = {1 -- 2},
  year      = {2001},
  language  = {de}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Innovationsverhalten im Dienstleistungssektor: Rationalisierungsmaßnahmen stehen nicht im Vordergrund},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 7},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 7},
  isbn      = {0946-4689},
  pages     = {2 -- 2},
  year      = {2001},
  language  = {de}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Ostdeutschland: Dienstleister sind Schwachstelle},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 10},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 10},
  isbn      = {0946-4689},
  pages     = {3 -- 3},
  year      = {2001},
  language  = {de}
}
@article{Schmitt2005,
  author    = {Schmitt, Rolf W.},
  title     = {Werkstoffe - Oberfl{\"a}chen - Schmierstoffe - Tribologie-Fachtagung 2004 in G{\"o}ttingen},
  series = {Erd{\"o}l Erdgas Kohle. 121 (2005), H. 1},
  journal   = {Erd{\"o}l Erdgas Kohle. 121 (2005), H. 1},
  isbn      = {0179-3187},
  pages     = {39 -- 40},
  year      = {2005},
  language  = {de}
}
@article{Janz2000,
  author    = {Janz, Norbert},
  title     = {Europa braucht innovative Unternehmen},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell (2000)},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell (2000)},
  isbn      = {0946-4689},
  pages     = {30 -- 32},
  year      = {2000},
  language  = {de}
}
@article{JanzRoth1997,
  author    = {Janz, Norbert and Roth, M.},
  title     = {Innovationsreport Großhandel},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 4 (1997)},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 4 (1997)},
  isbn      = {0946-4689},
  pages     = {1 -- 2},
  year      = {1997},
  language  = {de}
}
@article{KotliarHanssenEberhardtetal.2013,
  author    = {Kotliar, Konstantin and Hanssen, Henner and Eberhardt, Karla and Vilser, Walthard and Schmaderer, Christoph and Halle, Martin and Heemann, Uwe and Baumann, M.},
  title     = {Retinal pulse wave velocity in young male normotensive and mildly hypertensive subjects},
  series = {Microcirculation},
  journal   = {Microcirculation},
  publisher = {Wiley},
  address   = {Malden},
  issn      = {1549-8719},
  year      = {2013},
  language  = {en}
}
@article{MurganBeyerKotliaretal.2013,
  author    = {Murgan, Ilina and Beyer, Sonja and Kotliar, Konstantin and Weber, Lutz and Bechtold-Dalla Pozza, Susanne and Dalla Pozza, Robert and Wegner, Aharon and Sitnikova, Diana and Stock, Konrad and Heemann, Uwe and Schmaderer, Christoph and Baumann, M.},
  title     = {Arterial and Retinal Vascular Changes in Hypertensive and Prehypertensive Adolescents},
  series = {American Journal of Hypertension},
  volume    = {26},
  journal   = {American Journal of Hypertension},
  number    = {3},
  publisher = {Oxford University Press},
  address   = {Oxford},
  issn      = {1941-7225},
  pages     = {400 -- 408},
  year      = {2013},
  language  = {de}
}
@article{FeuchtSchoenbachLanzletal.2013,
  author    = {Feucht, Nikolaus and Sch{\"o}nbach, Etienne Michael and Lanzl, Ines and Kotliar, Konstantin and Lohmann, Chris Patrick and Maier, Mathias},
  title     = {Changes in the foveal microstructure after intravitreal bevacizumab application in patients with retinal vascular disease},
  series = {Clinical Ophthalmology},
  volume    = {7},
  journal   = {Clinical Ophthalmology},
  publisher = {Dove Medical Press},
  address   = {Auckland, New Zealand},
  issn      = {1177-5483},
  pages     = {173 -- 178},
  year      = {2013},
  language  = {en}
}
@phdthesis{Kotliar2012,
  author    = {Kotliar, Konstantin},
  title     = {Pathophysiologische Beurteilung und h{\"a}modynamische Analyse von mikrostrukturellen Ver{\"a}nderungen des retinalen Gef{\"a}ßl{\"a}ngsschnittsprofils},
  pages     = {328 S.},
  year      = {2012},
  language  = {ru}
}
@incollection{LanzlSeidovaDuehringetal.2009,
  author    = {Lanzl, I. and Seidova, S.-F. and D{\"u}hring, C. von and Kotliar, Konstantin},
  title     = {Befunde der dynamischen Gef{\"a}ßanalyse am Auge bei Gesunden und Glaukom-Patienten mit praxisrelevanter Bedeutung},
  series = {Mikrozirkulation beim Glaukom},
  booktitle = {Mikrozirkulation beim Glaukom},
  editor    = {Erb, Carl},
  publisher = {Elsevier},
  address   = {Amsterdam},
  pages     = {33 -- 39},
  year      = {2009},
  language  = {de}
}
@misc{OPUS4-5157,
  title     = {TecScan Journal : Elektromobilit{\"a}t 2012-11},
  organization    = {FH Aachen, University of Applied Sciences},
  year      = {2012},
  subject      = {Elektromobilit{\"a}t; Elektrofahrzeug; Energieversorungsnetz; Kraftfahrzeugtechnik},
  language  = {de}
}
@misc{OPUS4-5158,
  title     = {TecScan Journal : Elektromobilit{\"a}t 2012-12},
  organization    = {FH Aachen, University of Applied Sciences},
  year      = {2012},
  subject      = {Elektromobilit{\"a}t; Elektrofahrzeug; Energieversorungsnetz; Kraftfahrzeugtechnik},
  language  = {de}
}
@misc{OPUS4-5159,
  title     = {TecScan Journal : Elektromobilit{\"a}t 2013-01},
  organization    = {FH Aachen, University of Applied Sciences},
  year      = {2013},
  subject      = {Elektromobilit{\"a}t; Elektrofahrzeug; Energieversorungsnetz; Kraftfahrzeugtechnik},
  language  = {de}
}
@misc{OPUS4-5160,
  title     = {TecScan Journal : Elektromobilit{\"a}t 2013-02},
  organization    = {FH Aachen, University of Applied Sciences},
  year      = {2013},
  subject      = {Elektromobilit{\"a}t; Elektrofahrzeug; Energieversorungsnetz; Kraftfahrzeugtechnik},
  language  = {de}
}
@misc{OPUS4-5161,
  title     = {TecScan Journal : Elektromobilit{\"a}t 2013-03},
  organization    = {FH Aachen, University of Applied Sciences},
  year      = {2013},
  subject      = {Elektromobilit{\"a}t; Elektrofahrzeug; Energieversorungsnetz; Kraftfahrzeugtechnik},
  language  = {de}
}
@article{BlomeKundt1988,
  author    = {Blome, Hans-Joachim and Kundt, Wolfgang},
  title     = {Leptonic jets from young stellar objects?},
  series = {Astrophysics and Space Science. 148 (1988), H. 2},
  journal   = {Astrophysics and Space Science. 148 (1988), H. 2},
  isbn      = {0004-640X},
  pages     = {343 -- 361},
  year      = {1988},
  language  = {en}
}
@article{BlomeChuHoelletal.1988,
  author    = {Blome, Hans-Joachim and Chu, Y. and Hoell, J and Priester, W.},
  title     = {On the observational discrimination of Friedmann-Lema{\^i}tre models},
  series = {Large Scale Structures of the Universe: Proceedings of the 130th Symposium of the International Astronomical Union, dedicated to the memory of Marc A. Aaronson (1950-1987) held in Balatonfured, Hungary, June 15-20, 1987. Edited by Jean Audouze, Marie-Christine Pelletan and Sandor Szalay.},
  journal   = {Large Scale Structures of the Universe: Proceedings of the 130th Symposium of the International Astronomical Union, dedicated to the memory of Marc A. Aaronson (1950-1987) held in Balatonfured, Hungary, June 15-20, 1987. Edited by Jean Audouze, Marie-Christine Pelletan and Sandor Szalay.},
  publisher = {Kluwer Academic Publishers},
  address   = {Dordrecht},
  isbn      = {90-277-2742-2},
  pages     = {517},
  year      = {1988},
  language  = {en}
}
@article{BlomeWilson2004,
  author    = {Blome, Hans-Joachim and Wilson, Thomas L.},
  title     = {The entangled Universe},
  series = {Relativistic Astrophysics and Cosmology, Proceedings of the 13th Course of the International School of Cosmic Ray Astrophysics, held in Erice, Italy, 2-14 June 2002 / edited by Maurice M. Shapiro ... [et al.]},
  journal   = {Relativistic Astrophysics and Cosmology, Proceedings of the 13th Course of the International School of Cosmic Ray Astrophysics, held in Erice, Italy, 2-14 June 2002 / edited by Maurice M. Shapiro ... [et al.]},
  publisher = {World Scientific Publishing},
  address   = {New Jersey, NJ},
  isbn      = {981-238-727-7},
  pages     = {23 -- 38},
  year      = {2004},
  language  = {en}
}
@article{BlomePriester1987,
  author    = {Blome, Hans-Joachim and Priester, W.},
  title     = {Zum Problem des Urknalls: "Big Bang" oder "Big Bounce"? Teil 2},
  series = {Sterne und Weltraum. 26 (1987), H. 3},
  journal   = {Sterne und Weltraum. 26 (1987), H. 3},
  isbn      = {0039-1263},
  pages     = {140 -- 144},
  year      = {1987},
  language  = {de}
}
@article{BlomeMashhoon1984,
  author    = {Blome, Hans-Joachim and Mashhoon, B.},
  title     = {Quasi-normal oscillations of a Schwarzschild black hole},
  series = {Physics Letters A. 100 (1984), H. 5},
  journal   = {Physics Letters A. 100 (1984), H. 5},
  isbn      = {0375-9601},
  pages     = {231 -- 234},
  year      = {1984},
  language  = {en}
}
@article{BlomeKundt1987,
  author    = {Blome, Hans-Joachim and Kundt, W.},
  title     = {Hypersonic Jets from Young Stars in Molecular Clouds},
  series = {Circumstellar matter : proceedings of the 122nd symposium of the Internat. Astronom. Union held in Heidelberg, FRG, June 23 - 27, 1986 / ed. by I. Appenzeller ...},
  journal   = {Circumstellar matter : proceedings of the 122nd symposium of the Internat. Astronom. Union held in Heidelberg, FRG, June 23 - 27, 1986 / ed. by I. Appenzeller ...},
  publisher = {Reidel},
  address   = {Dordrecht u.a.},
  isbn      = {90-277-2511-X},
  pages     = {73 -- 74},
  year      = {1987},
  language  = {en}
}
@article{BlomePriester1987,
  author    = {Blome, Hans-Joachim and Priester, Wolfgang},
  title     = {The problem of the primeval explosion: 'Big bang' or 'big bounce'? I},
  series = {Sterne und Weltraum. 26 (1987)},
  journal   = {Sterne und Weltraum. 26 (1987)},
  isbn      = {0039-1263},
  pages     = {83 -- 89},
  year      = {1987},
  language  = {en}
}
@article{EschGoebel1993,
  author    = {Esch, Thomas and G{\"o}bel, T.},
  title     = {Gemischbildung bei drosselfreier Laststeuerung von Ottomotoren},
  series = {Motortechnische Zeitschrift. 54 (1993), H. 12},
  journal   = {Motortechnische Zeitschrift. 54 (1993), H. 12},
  isbn      = {0024-8525},
  pages     = {616 -- 618},
  year      = {1993},
  language  = {de}
}
@article{EschSalberWoltersetal.2002,
  author    = {Esch, Thomas and Salber, Wolfgang and Wolters, Peter and Geiger, Jos{\´e} and Dilthey, Jochen},
  title     = {Synergies of variable valve actuation and direct injection},
  series = {Direct injection SI engine technology 2002 : [SAE 2002 world congress, Detroit, Michigan, USA, March 4 - 7, 2002].},
  journal   = {Direct injection SI engine technology 2002 : [SAE 2002 world congress, Detroit, Michigan, USA, March 4 - 7, 2002].},
  publisher = {Society of Automotive Engineers},
  address   = {Warrendale, Pa},
  isbn      = {0-7680-0961-8},
  pages     = {45 -- 53},
  year      = {2002},
  language  = {en}
}
@article{EschWoltersSalberetal.2001,
  author    = {Esch, Thomas and Wolters, P. and Salber, W. and Geiger, J.},
  title     = {Variable Ventilsteuerung und Direkteinspritzung - vom Wettbewerb zur Synergie},
  series = {Motor und Umwelt 2001, Internal Combustion Engine Versus Fuel Cell - Potential and Limitations as Automotive Power Sources, Verbrennungsmotor versus Brennstoffzelle - Potenziale und Grenzen f{\"u}r den Automobilantrieb, Proc., Graz, AT, 6.-7. Sep, 2001},
  journal   = {Motor und Umwelt 2001, Internal Combustion Engine Versus Fuel Cell - Potential and Limitations as Automotive Power Sources, Verbrennungsmotor versus Brennstoffzelle - Potenziale und Grenzen f{\"u}r den Automobilantrieb, Proc., Graz, AT, 6.-7. Sep, 2001},
  pages     = {183 -- 206},
  year      = {2001},
  language  = {de}
}
@article{Schmitt2005,
  author    = {Schmitt, Rolf W.},
  title     = {Innovationen bei Schmierstoffen und tribologischen Systemen},
  series = {Stahl und Eisen. 125 (2005), H. 3},
  journal   = {Stahl und Eisen. 125 (2005), H. 3},
  isbn      = {0340-4803},
  pages     = {51 -- 53},
  year      = {2005},
  language  = {de}
}
@article{PietschSiedentopf1990,
  author    = {Pietsch, Wolfram and Siedentopf, J.},
  title     = {Wissensbasierte Programmierung in konventionellen Programmiersprachen - Entwicklung einer flexiblen Schnittstelle zur Expertensystementwicklung in Ada / Pietsch, W., Siedentopf, J.},
  series = {Wissensbasierte Systeme in der Betriebswirtschaft : Grundlagen, Entwicklung, Anwendungen / Hrsg. Dieter Ehrenberg ...},
  journal   = {Wissensbasierte Systeme in der Betriebswirtschaft : Grundlagen, Entwicklung, Anwendungen / Hrsg. Dieter Ehrenberg ...},
  publisher = {Schmidt},
  address   = {Berlin},
  isbn      = {3-503-03144-8},
  pages     = {233 -- 250},
  year      = {1990},
  language  = {de}
}
@article{Pietsch1990,
  author    = {Pietsch, Wolfram},
  title     = {Flexible Planung und Kontrolle von Prototyping-Projekten},
  series = {Operations research proceedings 1989 : papers of the 18. annual meeting / DGOR. Hrsg. von K.-P. Kistner ....},
  journal   = {Operations research proceedings 1989 : papers of the 18. annual meeting / DGOR. Hrsg. von K.-P. Kistner ....},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3540524894},
  pages     = {382 -- 387},
  year      = {1990},
  language  = {de}
}
@article{Pietsch1989,
  author    = {Pietsch, Wolfram},
  title     = {Konzepte und Instrumente f{\"u}r Organisation und Management evolution{\"a}rer Softwareentwicklungsprojekte},
  series = {Computergest{\"u}tzter Arbeitsplatz : M{\"u}nchen, 18. - 20. Oktober 1989 ; proceedings / M. Paul (Hrsg.) Bd. 2},
  journal   = {Computergest{\"u}tzter Arbeitsplatz : M{\"u}nchen, 18. - 20. Oktober 1989 ; proceedings / M. Paul (Hrsg.) Bd. 2},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-51822-3},
  pages     = {221 -- 231},
  year      = {1989},
  language  = {de}
}
@article{SchmittBlankSchoenbrunn1983,
  author    = {Schmitt, Rolf W. and Blank, K. and Schoenbrunn, G.},
  title     = {Experimentelle Spannungsanalyse zum Doppelringverfahren},
  series = {Sprechsaal : internat. ceramics \& glass magazine. 116 (1983), H. 5},
  journal   = {Sprechsaal : internat. ceramics \& glass magazine. 116 (1983), H. 5},
  isbn      = {0341-0439},
  pages     = {397 -- 405},
  year      = {1983},
  language  = {de}
}
@article{PietschVogel1988,
  author    = {Pietsch, Wolfram and Vogel, R.},
  title     = {Ein Expertensystem f{\"u}r die Konfigurierung von Personal Computern / Pietsch, W. Vogel, R.},
  series = {Proceedings : Symposium an der Universit{\"a}t Gesamthochschule Duisburg, 18./19.2.1988 / 2. Anwender-Forum Expertensysteme / Cremers, Armin B.},
  journal   = {Proceedings : Symposium an der Universit{\"a}t Gesamthochschule Duisburg, 18./19.2.1988 / 2. Anwender-Forum Expertensysteme / Cremers, Armin B.},
  publisher = {Univ.-Pressestelle},
  address   = {Wuppertal},
  pages     = {404 -- 424},
  year      = {1988},
  language  = {de}
}
@article{PietschKurbel1986,
  author    = {Pietsch, Wolfram and Kurbel, Karl},
  title     = {A Portable Implementation of Index Sequential Input-Output [Part 1] / Kurbel, Karl; Pietsch, W.},
  series = {Ada letters. 6 (1986), H. 2},
  journal   = {Ada letters. 6 (1986), H. 2},
  isbn      = {0736-721X},
  pages     = {29 -- 40},
  year      = {1986},
  language  = {en}
}
@article{PietschKurbel1986,
  author    = {Pietsch, Wolfram and Kurbel, Karl},
  title     = {A Portable Implementation of Index Sequential Input-Output [Part 2] / Kurbel, Karl; Pietsch, W.},
  series = {Ada letters. 6 (1986), H. 3},
  journal   = {Ada letters. 6 (1986), H. 3},
  isbn      = {0736-721X},
  pages     = {6 -- 13},
  year      = {1986},
  language  = {en}
}
@book{Pietsch1999,
  author    = {Pietsch, Wolfram},
  title     = {ExperPraxis : ExperTeam-Jahrbuch f{\"u}r die Praxis der Informationsverarbeitung},
  isbn      = {0944-2863},
  year      = {1999},
  language  = {de}
}
@book{BergmannSchaeferBlomeetal.1997,
  author    = {Bergmann, Ludwig and Sch{\"a}fer, Clemens and Blome, Hans-Joachim and Gobrecht, Heinrich},
  title     = {Lehrbuch der Experimentalphysik ; Bd. 8 : Sterne und Weltraum},
  editor    = {Raith, Wilhelm},
  publisher = {de Gruyter},
  address   = {Berlin [u.a.]},
  isbn      = {3110151731},
  pages     = {XII, 467 S : Ill., graph. Darst.},
  year      = {1997},
  language  = {de}
}