@article{MuellerVeggianColauttiConteetal.1999,
  author    = {M{\"u}ller-Veggian, Mattea and Colautti, P. and Conte, V. and De Nardo, L.},
  title     = {Advanced TEPC (Tissue-equivalent proportional counters) for radiation monitoring},
  series = {Annual report / Istituto Nazionale di Fisica Nucleare, LNL, Laboratori Nazionali di Legnaro. 1998 (1999)},
  journal   = {Annual report / Istituto Nazionale di Fisica Nucleare, LNL, Laboratori Nazionali di Legnaro. 1998 (1999)},
  pages     = {106},
  year      = {1999},
  language  = {en}
}
@article{FoersterGriebelIndlekoferetal.1998,
  author    = {F{\"o}rster, Arnold and Griebel, M. and Indlekofer, M. and L{\"u}th, H.},
  title     = {Transport through a buried double barrier single electron transistor at low temperatures},
  series = {Physica E: Low-dimensional Systems and Nanostructures. 2 (1998), H. 1-4},
  journal   = {Physica E: Low-dimensional Systems and Nanostructures. 2 (1998), H. 1-4},
  isbn      = {1386-9477},
  pages     = {502 -- 506},
  year      = {1998},
  language  = {en}
}
@article{FoersterMalzerHeberetal.1998,
  author    = {F{\"o}rster, Arnold and Malzer, S. and Heber, J. and Peter, M.},
  title     = {Vertical transport and relaxation mechanisms in d-doping superlattices. Malzer, S.; Heber, J.; Peter, M.; Eckl, S.; Elpelt, R.; Doehler, G. H.; F{\"o}rster, A.; L{\"u}th, H.},
  series = {Physica E: Low-dimensional Systems and Nanostructures. 2 (1998), H. 1-4},
  journal   = {Physica E: Low-dimensional Systems and Nanostructures. 2 (1998), H. 1-4},
  isbn      = {1386-9477},
  pages     = {349 -- 352},
  year      = {1998},
  language  = {en}
}
@article{FoersterRosenauerFischeretal.1998,
  author    = {F{\"o}rster, Arnold and Rosenauer, A. and Fischer, U. and Gerthsen, D.},
  title     = {Composition evaluation by lattice fringe analysis. Rosenauer, A.; Fischer U.; Gerthsen D.; F{\"o}rster A.},
  series = {Ultramicroscopy. 72 (1998), H. 3-4},
  journal   = {Ultramicroscopy. 72 (1998), H. 3-4},
  isbn      = {0304-3991},
  pages     = {121 -- 133},
  year      = {1998},
  language  = {en}
}
@article{Pietsch2006,
  author    = {Pietsch, Wolfram},
  title     = {Gesch{\"a}ftsmodelle als Grundlage f{\"u}r das Software-Produktmanagement},
  series = {Multikonferenz Wirtschaftsinformatik 2006 / Franz Lehner ... (Hrsg.). Bd. Tagungsband 2},
  journal   = {Multikonferenz Wirtschaftsinformatik 2006 / Franz Lehner ... (Hrsg.). Bd. Tagungsband 2},
  publisher = {GITO},
  address   = {Berlin},
  isbn      = {3-936771-62-6},
  pages     = {211 -- 222},
  year      = {2006},
  language  = {de}
}
@article{Pietsch2005,
  author    = {Pietsch, Wolfram},
  title     = {Customer-Oriented Specification and Evaluation of IT Service Level Agreements},
  series = {Software process improvement : Elektronische Ressource : 12th European conference ; proceedings / EuroSPI 2005, Budapest, Hungary, November 9 - 11, 2005. Ita Richardson ... (ed.)},
  journal   = {Software process improvement : Elektronische Ressource : 12th European conference ; proceedings / EuroSPI 2005, Budapest, Hungary, November 9 - 11, 2005. Ita Richardson ... (ed.)},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-30286-7},
  pages     = {83 -- 94},
  year      = {2005},
  language  = {en}
}
@article{HelsperFissanMugglietal.1983,
  author    = {Helsper, Christoph and Fißan, H. J. and Muggli, J. and Scheidweiler, A.},
  title     = {Verification of Ionization Chamber Theory},
  series = {Fire Technology. 19 (1983), H. 1},
  journal   = {Fire Technology. 19 (1983), H. 1},
  isbn      = {1572-8099},
  pages     = {14 -- 21},
  year      = {1983},
  language  = {en}
}
@article{HelsperFissan1983,
  author    = {Helsper, Christoph and Fißan, H. J.},
  title     = {Calibration of the Polytec HC-15 and HC-70 Optical Particle Counters / Fißan, H. J. ; Helsper, C.},
  series = {Aerosols in the mining and industrial work environments, Vol. 3. Instrumentation, Marple, Virgil A. ; Liu, Benjamin Y.},
  journal   = {Aerosols in the mining and industrial work environments, Vol. 3. Instrumentation, Marple, Virgil A. ; Liu, Benjamin Y.},
  publisher = {Ann Arbor Science},
  address   = {Ann Arbor, Mich.},
  pages     = {825 -- 829},
  year      = {1983},
  language  = {en}
}
@article{HelsperFissanKasper1984,
  author    = {Helsper, Christoph and Fißan, H. J. and Kasper, W.},
  title     = {Kalibrierung der Partikelgr{\"o}ßenbestimmung von optischen Partikelz{\"a}hlern / Fißan, H. J.; Helsper, C. ; Kasper, W.},
  series = {3. Europ{\"a}isches Symposion Partikelmeßtechnik : [PARTEC, eine Veranstaltung der Reihe Partikel-Technologie N{\"u}rnberg ; N{\"u}rnberg, 9. - 11. Mai 1984 ; preprints] = 3. European Symposium on Particle Characterization / Veranst.: GVC, Gesellschaft Verfahrenstechnik und Chemieingenieurwesen im Verein Deutscher Ingenieure (VDI). Red. Bearb.: Kurt Leschonski},
  journal   = {3. Europ{\"a}isches Symposion Partikelmeßtechnik : [PARTEC, eine Veranstaltung der Reihe Partikel-Technologie N{\"u}rnberg ; N{\"u}rnberg, 9. - 11. Mai 1984 ; preprints] = 3. European Symposium on Particle Characterization / Veranst.: GVC, Gesellschaft Verfahrenstechnik und Chemieingenieurwesen im Verein Deutscher Ingenieure (VDI). Red. Bearb.: Kurt Leschonski},
  publisher = {NMA N{\"u}rnberger Messe- und Ausstellungsges.},
  address   = {N{\"u}rnberg},
  pages     = {263 -- 274},
  year      = {1984},
  language  = {de}
}
@article{HelsperNiessnerRoenicke1984,
  author    = {Helsper, Christoph and Nießner, R. and R{\"o}nicke, G.},
  title     = {Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R.; Helsper, C.; R{\"o}nicke, G.},
  series = {Aerosols : science, technology, and industr. applications of airborne particles ; proceedings of the 1. Internat. Aerosol Conference held Sept. 17-21, 1984, Minneapolis, Minn., U.S.A / ed.: Benjamin Y. H. Liu},
  journal   = {Aerosols : science, technology, and industr. applications of airborne particles ; proceedings of the 1. Internat. Aerosol Conference held Sept. 17-21, 1984, Minneapolis, Minn., U.S.A / ed.: Benjamin Y. H. Liu},
  publisher = {Elsevier},
  address   = {New York [u.a.]},
  isbn      = {0444009477},
  pages     = {63 -- 66},
  year      = {1984},
  language  = {en}
}
@article{HelsperFissanThielen1983,
  author    = {Helsper, Christoph and Fißan, H. J. and Thielen, H. J.},
  title     = {Determination of Particle Size Distributions by Means of an Electrostatic Classifier / Fißan, H. J.; Helsper, C. ; Thielen, H. J.},
  series = {Journal of Aerosol Science. 14 (1983), H. 3},
  journal   = {Journal of Aerosol Science. 14 (1983), H. 3},
  isbn      = {0021-8502},
  pages     = {354 -- 357},
  year      = {1983},
  language  = {en}
}
@article{HelsperFissanKasper1984,
  author    = {Helsper, Christoph and Fißan, H. J. and Kasper, W.},
  title     = {Calibration of Optical Particle Counters with Respect to Particle Size / Fißan, H. J. ; Helsper, C.; Kasper, W.},
  series = {Particle and Particle Systems Characterization. 1 (1984), H. 1984},
  journal   = {Particle and Particle Systems Characterization. 1 (1984), H. 1984},
  isbn      = {1521-4117},
  pages     = {108 -- 111},
  year      = {1984},
  language  = {en}
}
@article{HelsperNiessner1985,
  author    = {Helsper, Christoph and Nießner, R.},
  title     = {Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R. ; Helsper, C.},
  series = {Journal of Aerosol Science. 16 (1985), H. 3},
  journal   = {Journal of Aerosol Science. 16 (1985), H. 3},
  isbn      = {0021-8502},
  pages     = {201 -- 209},
  year      = {1985},
  language  = {en}
}
@article{HelsperBartzFissanetal.1985,
  author    = {Helsper, Christoph and Bartz, H. and Fißan, H. J. and Kousaka, Y. (u.a.)},
  title     = {Response Characteristics for Four Condensation Nucleus Counters to Particles in the 3 to 50 nm Diameter Range / Bartz, H. ; Fißan, H. J. ; Helsper, C.; Kousaka, Y. ; Okuyama, K. ; Keady, R. Fruin, S. ; McMurry, P. H.; Pui, D. Y. H. ; Stolzenburg, M. R.},
  series = {Journal of Aerosol Science. 16 (1985), H. 5},
  journal   = {Journal of Aerosol Science. 16 (1985), H. 5},
  isbn      = {0021-8502},
  pages     = {443 -- 456},
  year      = {1985},
  language  = {en}
}
@article{HelsperNiessner1985,
  author    = {Helsper, Christoph and Nießner, R.},
  title     = {On the Influence of the Vapour Substance on the Behaviour of an Expansion Type Condensation Nucleus Counter},
  series = {Journal of Aerosol Science. 16 (1985), H. 5},
  journal   = {Journal of Aerosol Science. 16 (1985), H. 5},
  isbn      = {0021-8502},
  pages     = {457 -- 461},
  year      = {1985},
  language  = {en}
}
@article{HelsperWiedensohlerLuetkemeieretal.1986,
  author    = {Helsper, Christoph and Wiedensohler, A. and L{\"u}tkemeier, E. and Feldpausch, M.},
  title     = {Investigation on the Bipolar Charge Distribution at Various Gas Conditions / Wiedensohler, A.; L{\"u}tkemeier, E.; Feldpausch, M. ; Helsper, C.},
  series = {Journal of Aerosol Science. 17 (1986), H. 3},
  journal   = {Journal of Aerosol Science. 17 (1986), H. 3},
  isbn      = {0021-8502},
  pages     = {413 -- 416},
  year      = {1986},
  language  = {en}
}
@article{Mackenstein1998,
  author    = {Mackenstein, Hans},
  title     = {Book Reviews - Samardzic, Slobodan and Thomas Fleiner, Federalismus und Minderheitenproblem in Multiethnischen Gemeinschaften},
  series = {Regional and federal studies. 8 (1998), H. 3},
  journal   = {Regional and federal studies. 8 (1998), H. 3},
  isbn      = {1359-7566},
  pages     = {138 -- 138},
  year      = {1998},
  language  = {en}
}
@article{Mackenstein1998,
  author    = {Mackenstein, Hans},
  title     = {Book Reviews - Morass, Michael; Regionale Interessen auf dem Weg in die Europ{\"a}ische Union: Strukturelle Entwicklung und Perspektiven der Interessenvermittlung {\"O}sterreichischer und deutscher L{\"a}ndesakteure im Rahmen der Europ{\"a}ischen Integration},
  series = {Regional and federal studies. 8 (1998), H. 1},
  journal   = {Regional and federal studies. 8 (1998), H. 1},
  isbn      = {1359-7566},
  pages     = {227 -- 227},
  year      = {1998},
  language  = {en}
}
@article{MaerckerAlm1999,
  author    = {Maercker, Gisela and Alm, Thomas},
  title     = {Stress-Szenarien f{\"u}r extreme Marktver{\"a}nderungen / Thomas Alm; Gisela Maercker},
  series = {Handbuch Bankenaufsicht und interne Risikosteuerungsmodelle : Quantifizierung und Analyse von Risiken mit bankinternen Modellen, bankaufsichtliche Anforderungen},
  journal   = {Handbuch Bankenaufsicht und interne Risikosteuerungsmodelle : Quantifizierung und Analyse von Risiken mit bankinternen Modellen, bankaufsichtliche Anforderungen},
  publisher = {Sch{\"a}ffer-Poeschel},
  address   = {Stuttgart},
  isbn      = {3-7910-1412-9},
  pages     = {267 -- 285},
  year      = {1999},
  language  = {de}
}
@article{HolthausSellheierBleckenMeinen2004,
  author    = {Holthaus-Sellheier, Ursula and Blecken, Udo and Meinen, Heiko},
  title     = {Vergabeentscheidung und Wirtschaftlichkeitsberechnung von PPP/PFI-Projekten in der Bauwirtschaft / Udo Blecken, Heiko Meinen, Ursula Holthaus},
  series = {Bautechnik: Zeitschrift f{\"u}r den gesamten Ingenieurbau. 81 (2004), H. 8},
  journal   = {Bautechnik: Zeitschrift f{\"u}r den gesamten Ingenieurbau. 81 (2004), H. 8},
  isbn      = {1437-0999},
  pages     = {648 -- 657},
  year      = {2004},
  language  = {de}
}