@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"U}bungsbuch zur angewandten Wirtschaftsmathematik : Aufgaben, Testklausuren und L{\"o}sungen . 5., erw. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-43146-6},
  pages     = {VIII, 326 S. : graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{Tietze2004,
  author    = {Tietze, J{\"u}rgen},
  title     = {Einf{\"u}hrung in die Finanzmathematik : klassische Verfahren und neuere Entwicklungen: Effektivzins- und Renditeberechnung, Investitionsrechnung, derivative Finanzinstrumente ; mit {\"u}ber 500 {\"U}bungsaufgaben. 7., verb. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-66552-1},
  pages     = {XII, 431 S. : graph. Darst.},
  year      = {2004},
  language  = {de}
}
@book{Tietze1992,
  author    = {Tietze, J{\"u}rgen},
  title     = {Monotonie und Kr{\"u}mmung : Wechselbeziehungen bei Gesamtkosten- und St{\"u}ckkostenfunktionen},
  publisher = {Alano-Verl.},
  address   = {Aachen},
  isbn      = {3-89399-169-7},
  pages     = {VI, 51 S. : zahlr. graph. Darst.},
  year      = {1992},
  language  = {de}
}
@book{Tietze1992,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"O}konomische Interpretation optimaler Simplex-Tableaus},
  publisher = {Alano-Verl.},
  address   = {Aachen},
  isbn      = {3-89399-170-0},
  pages     = {VI, 33 S.},
  year      = {1992},
  language  = {de}
}
@book{Siedenbiedel2001,
  author    = {Siedenbiedel, Georg},
  title     = {Organisationslehre},
  publisher = {Kohlhammer},
  address   = {Stuttgart [u.a.]},
  isbn      = {3-17-016498-8},
  pages     = {XVI, 239 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{SiedenbiedelEislerMertz2000,
  author    = {Siedenbiedel, Georg and Eisler-Mertz, Christiane},
  title     = {Schl{\"u}sselqualifikationen im Marketing},
  publisher = {Fortis [u.a.]},
  address   = {K{\"o}ln [u.a.]},
  pages     = {281 S. : Ill., graph. Darst.},
  year      = {2000},
  language  = {de}
}
@book{SchulteZurhausen1982,
  author    = {Schulte-Zurhausen, Manfred},
  title     = {Planung von Blocklagersystemen},
  publisher = {Beuth},
  address   = {Berlin [u.a.]},
  pages     = {151 S : graph. Darst.},
  year      = {1982},
  language  = {de}
}
@book{Siedenbiedel1984,
  author    = {Siedenbiedel, Georg},
  title     = {Personelle Mobilit{\"a}t in Organisationen und organisierter Wandel : e. Unters. potentieller Beitr. d. Neuallokation von Personen u. Stellen zur Organisationsentwicklung},
  pages     = {251 S. : graph. Darst.},
  year      = {1984},
  language  = {de}
}
@book{Siedenbiedel1997,
  author    = {Siedenbiedel, Georg},
  title     = {Internationales Management : Elemente der F{\"u}hrung grenz{\"u}berschreitend agierender Unternehmen},
  publisher = {Fortis-Verl. FH},
  address   = {[K{\"o}ln u.a.]},
  isbn      = {3-8237-4601-4},
  pages     = {115 S. : graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{Rick1989,
  author    = {Rick, Heino},
  title     = {Steuerreform 1990 : alle {\"A}nderungen u. Auswirkungen f{\"u}r Unternehmen u. Selbst{\"a}ndige ; {\"A}nderungen u. Auswirkungen nach Problem- u. Sachbereichen ; Gesetzestext ; Was ist neu? ; Auswirkungen u. Beisp., Modellabrechnungen},
  publisher = {WEKA-Fachverl., Fachverl. f{\"u}r Gesch{\"a}ftsf{\"u}hrung u. Management},
  address   = {Kissing [u.a.]},
  pages     = {143 S. : graph. Darst.},
  year      = {1989},
  language  = {de}
}
@book{RickRautenberg1987,
  author    = {Rick, Heino and Rautenberg, Hans G{\"u}nter},
  title     = {Die Pr{\"u}fung zum vereidigten Buchpr{\"u}fer in 1000 [tausend] Fragen und Antworten / hrsg. von Gustav Wrenger . Bd. 2 : Betriebswirtschaftslehre / von Hans G{\"u}nter Rautenberg ; Heino Rick},
  publisher = {Deubner},
  address   = {K{\"o}ln},
  isbn      = {3-88606-115-9},
  pages     = {VII, 145 S.},
  year      = {1987},
  language  = {de}
}
@book{Rick1985,
  author    = {Rick, Heino},
  title     = {Insolvenzrechtliche und steuerliche Ans{\"a}tze zur L{\"o}sung des Finanzierungsproblems in einem insolvenzrechtlichen Reorganisationsverfahren},
  publisher = {Lang},
  address   = {Frankfurt am Main [u.a.]},
  pages     = {VI, 301 S. : graph. Darst.},
  year      = {1985},
  language  = {de}
}
@book{Pietschmann1995,
  author    = {Pietschmann, Bernd P.},
  title     = {Sitzungsverhalten von Managern. Entwicklung und Anwendung einer Methode zur Ermittlung sitzungsbeeinflussender Faktoren},
  publisher = {Dt. Univ.-Verl.},
  address   = {Wiesbaden},
  isbn      = {3-8244-6225-7},
  pages     = {XXVII, 272 S. : graph. Darst.},
  year      = {1995},
  language  = {de}
}
@book{PietschmannVahs1997,
  author    = {Pietschmann, Bernd P. and Vahs, Dietmar},
  title     = {Einf{\"u}hrung in die Betriebswirtschaftslehre. Lehrbuch mit Beispielen und Kontrollfragen},
  publisher = {Sch{\"a}ffer-Poeschel},
  address   = {Stuttgart},
  isbn      = {3-7910-1030-1},
  pages     = {XX, 326 S. : graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{PietschmannGehle1998,
  author    = {Pietschmann, Bernd P. and Gehle, Daniela},
  title     = {Kommunen im Internet. Entwicklung einer konzeptionellen L{\"o}sung f{\"u}r einen Online-Informationsdienst f{\"u}r Kommunen im Internet},
  publisher = {Kommunal- u. Schul-Verl.},
  address   = {Wiesbaden},
  isbn      = {3-8293-0023-9},
  pages     = {VI, 109 S.: graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{Schmitz1999,
  author    = {Schmitz, G{\"u}nter},
  title     = {TransMechatronik : Entwicklung und Transfer von Entwicklungssystemen der Mechatronik / Demel, Werner ... (Hrsg.)},
  publisher = {Heinz-Nixdorf-Institut},
  address   = {Paderborn},
  pages     = {145 S. : Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@book{Wahle1998,
  author    = {Wahle, Michael},
  title     = {Grundlagen der Maschinen- und Strukturdynamik. - (H{\"o}here Technische Mechanik ; 2)},
  publisher = {Verl. Mainz},
  address   = {Aachen},
  isbn      = {3-89653-391-6},
  pages     = {216 S. : Ill.},
  year      = {1998},
  language  = {de}
}
@book{Wahle1998,
  author    = {Wahle, Michael},
  title     = {Dynamik : Kinematik und Kinetik},
  edition   = {2. Aufl.},
  publisher = {Verl. Mainz},
  address   = {Aachen},
  isbn      = {3-89653-390-8},
  pages     = {158 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{Schmitz2003,
  author    = {Schmitz, G{\"u}nter},
  title     = {Mechatronik im Automobil II : aktuelle Trends in der Systementwicklung f{\"u}r Automobile / G{\"u}nter Schmitz (Hrsg.)},
  publisher = {Expert-Verl},
  address   = {Renningen},
  isbn      = {3-8169-2139-6},
  pages     = {383 S : Ill., graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{GerhardtKramerJansen1977,
  author    = {Gerhardt, Hans Joachim and Kramer, Carl and Jansen, Hubert},
  title     = {Traglufthallen unter Windbelastung},
  publisher = {Westdt. Verl.},
  address   = {Opladen},
  isbn      = {3-531-02650-X},
  pages     = {39 S. : Ill., graph. Darst.},
  year      = {1977},
  language  = {de}
}
@book{Gerhardt1994,
  author    = {Gerhardt, Hans Joachim},
  title     = {Absaugung von großfl{\"a}chig austretenden Schadstoffen beim offenen Guttransport},
  address   = {Frankfurt/M},
  year      = {1994},
  language  = {de}
}
@book{Gerhardt2005,
  author    = {Gerhardt, Hans Joachim},
  title     = {Windsch{\"a}den : mit 6 Tabellen. - (Schadenfreies Bauen ; 37)},
  publisher = {Fraunhofer-IRB-Verl.},
  address   = {Stuttgart},
  isbn      = {3-8167-6670-6},
  pages     = {129 S. : zahlr. Ill., graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{Gerhardt1999,
  author    = {Gerhardt, Hans Joachim},
  title     = {Windeinwirkung auf Bedachungssysteme},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-4799-3},
  pages     = {IV, 126 S. : Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@book{Schuermann1997,
  author    = {Sch{\"u}rmann, Wilhelm},
  title     = {S.e.w.m.f. : die Nerven enden an den Fingerspitzen / curated by Willhelm Sch{\"u}rmann},
  publisher = {Salon-Verl.},
  address   = {K{\"o}ln},
  isbn      = {3932189019},
  pages     = {ca. 144 S. : {\"u}berw. Ill.},
  year      = {1997},
  language  = {de}
}
@book{SchuermannWinzen2002,
  author    = {Sch{\"u}rmann, Wilhelm and Winzen, Matthias},
  title     = {Prophets of Boom : aus der Sammlung Sch{\"u}rmann in der Staatliche Kunsthalle Baden-Baden / Konzeption: Wilhelm Sch{\"u}rmann. Hrsg.: Matthias Winzen},
  pages     = {159 S. : zahlr. Ill.},
  year      = {2002},
  language  = {de}
}
@book{Schuermann1992,
  author    = {Sch{\"u}rmann, Wilhelm},
  title     = {Dirty data : Sammlung Sch{\"u}rmann / Konzeption, Gestaltung und Organisation des Ausstellung sowie der Kataloges Wilhelm Sch{\"u}rmann},
  address   = {Aachen},
  pages     = {134 S. : {\"u}berw. Ill.},
  year      = {1992},
  language  = {de}
}
@book{SchuermannMueller1994,
  author    = {Sch{\"u}rmann, Wilhelm and M{\"u}ller, Christian Philipp},
  title     = {Temporary translation(s) - Sammlung Sch{\"u}rmann. Kunst der Gegenwart und Fotografie / Gestaltung der Seiten ...: Christian Philipp M{\"u}ller...},
  publisher = {Ars Nicolai},
  address   = {Berlin},
  isbn      = {3-89479-067-9},
  pages     = {165 S. : {\"u}berw. Ill, graph. Darst.},
  year      = {1994},
  language  = {en}
}
@book{Blome2000,
  author    = {Blome, Hans-Joachim},
  title     = {Kosmologie und Ethik : Die Stellung des Menschen im Kosmos. Vortrag ... Jahresversammlung Berlin, 26. Mai 2000},
  publisher = {Wissen und Verantwortung. Verein zur Carl Friedrich von Weizs{\"a}cker- Stiftung e.V.},
  address   = {B{\"u}nde},
  pages     = {23 S.},
  year      = {2000},
  language  = {de}
}
@book{BlomeHoellPriester1988,
  author    = {Blome, Hans-Joachim and Hoell, Josef and Priester, Wolfgang},
  title     = {Neue Aspekte der Kosmologie},
  publisher = {Inst. f{\"u}r Astrophysik},
  address   = {Bonn},
  pages     = {100 S : graph. Darst.},
  year      = {1988},
  language  = {de}
}
@book{BlomeZaun2004,
  author    = {Blome, Hans-Joachim and Zaun, Harald},
  title     = {Der Urknall : Anfang und Zukunft des Universums},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {3406508375},
  pages     = {128 S : graph. Darst ; 18 cm},
  year      = {2004},
  language  = {de}
}
@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}
}
@book{Pietsch1995,
  author    = {Pietsch, Wolfram},
  title     = {Software quality management III : [... held in Seville in April 1995] / [Third International Conference on Software Quality Management]. Ed.: M. Ross},
  publisher = {Computational Mechanics Publ.},
  address   = {Southampton [u.a.]},
  isbn      = {1853123099},
  year      = {1995},
  language  = {en}
}
@book{Pietsch1992,
  author    = {Pietsch, Wolfram},
  title     = {Methodik des betrieblichen Software-Projektmanagements : Grundlagen, Begr{\"u}ndung und Konzeption eines evolution{\"a}ren Ansatzes},
  publisher = {de Gruyter},
  address   = {Berlin [u.a.]},
  isbn      = {3-11-013492-6},
  pages     = {Getr. Z{\"a}hlung : graph. Darst.},
  year      = {1992},
  language  = {de}
}
@book{Pietsch1996,
  author    = {Pietsch, Wolfram},
  title     = {Reengineering und Wirtschaftlichkeit},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-60603-3},
  pages     = {230 S.},
  year      = {1996},
  language  = {de}
}
@book{JanzBaehr1994,
  author    = {Janz, Norbert and B{\"a}hr, Ulrike},
  title     = {Tobin's Q und betriebliche Investitionen : eine empirische analyse alternativer Berechnungsverfahren auf Basis von Jahresabschlußdaten / von Ulrike B{\"a}hr und Norbert Janz},
  address   = {Kiel},
  pages     = {32 Bl.},
  year      = {1994},
  language  = {de}
}
@book{JanzLicht2002,
  author    = {Janz, Norbert and Licht, Georg},
  title     = {Innovation Activities and European Patenting of German Firms. A Panel Data Analysis / Janz, N., G. Licht},
  pages     = {mimeo},
  year      = {2002},
  language  = {en}
}
@book{JanzPeters2002,
  author    = {Janz, Norbert and Peters, Bettina},
  title     = {Innovation and Innovation Success in the German Manufacturing Sector. Econometric Evidence at Firm Level / Janz, N. and Peters, B.},
  pages     = {mimeo},
  year      = {2002},
  language  = {en}
}
@book{JanzGottschalk2001,
  author    = {Janz, Norbert and Gottschalk, Sandra},
  title     = {Innovation Dynamics and Endogenours Market Structue. An Econometric Investigation with Aggregated Innovation Survey Data / Gottschalk, S. und N. Janz},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {2001},
  language  = {en}
}
@book{JanzEbling1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther},
  title     = {Export and Innovation Activities in the German Service Sector. Empirical Evidence at the Firm Level / Ebling, G.. und N. Janz},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1999},
  language  = {en}
}
@book{Janz1997,
  author    = {Janz, Norbert},
  title     = {Interpreting Estimation Result of Euler Equation Investment Models when Factor Markets are Imperfectly Competitive},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  pages     = {11 S.},
  year      = {1997},
  language  = {en}
}
@book{JanzEblingHippetal.1998,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Hipp, C. and Licht, Georg},
  title     = {Innovationsaktivit{\"a}ten im Dienstleistungssektor. Erhebung 1997 / Janz, N., G. Ebling, C. Hipp, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {de}
}
@book{JanzEblingGoeggerleetal.1998,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and G{\"o}ggerle, J. and Licht, Georg},
  title     = {The Longitudinal Aspect of Innovation Surveys / G. Ebling, J. G{\"o}ggerle, N. Janz, G. Licht und H. Stahl},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {en}
}
@book{JanzEblingHippetal.1998,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Hipp, C. and Licht, Georg},
  title     = {Dienstleistungen in der Zukunft : Innovationsaktivit{\"a}ten im Dienstleistungssektor ; Befragung 1997 ; Kurzfassung / Janz, N., G. Ebling, C. Hipp, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {de}
}
@book{GottschalkJanzRennings1998,
  author    = {Gottschalk, Sandra and Janz, Norbert and Rennings, Klaus},
  title     = {Characteristics and Performance of Eco-Innovative Firms in the German Service Sector},
  pages     = {mimeo},
  year      = {1998},
  language  = {en}
}
@book{JanzBeiseEblingetal.1998,
  author    = {Janz, Norbert and Beise, Marian and Ebling, G{\"u}nther and Licht, Georg},
  title     = {Innovationsverhalten im Verarbeitenden Gewerbe. Erhebung 1997 / Janz, N., M. Beise, G. Ebling, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {de}
}
@book{JanzBeiseEblingetal.1998,
  author    = {Janz, Norbert and Beise, Marian and Ebling, G{\"u}nther and Licht, Georg},
  title     = {Zukunftsperspektiven der deutschen Wirtschaft. Innovationsaktivit{\"a}ten im Verarbeitenden Gewerbe. Befragung 1997, Kurzfassung / Janz, N., M. Beise, G. Ebling, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {de}
}
@book{JanzEblingGottschalketal.1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Licht, Georg},
  title     = {Zukunftsperspektiven der deutschen Wirtschaft: Innovationsaktivit{\"a}ten im Verarbeitenden Gewerbe. Befragung 1998 / Janz, N., G. Ebling, S. Gottschalk, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {1999},
  language  = {de}
}
@book{JanzLichtEblingetal.1999,
  author    = {Janz, Norbert and Licht, Georg and Ebling, G{\"u}nther and Niggemann, Hiltrud},
  title     = {Innovation in the Service Sector. Selected Facts and Some Policy Conclusions / Licht, G., G. Ebling, N. Janz, H. Niggemann},
  publisher = {European Commission},
  address   = {Luxembourg},
  year      = {1999},
  language  = {en}
}
@book{JanzEblingNiggemannetal.1998,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Niggemann, Hiltrud and Stahl, Harald},
  title     = {2nd Community Innovation Survey. 1st Interim Report. Report prepared for Eurostat / Ebling, G., N. Janz, H. Niggemann und H. Stahl},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {en}
}