@book{HelsperBesslingKiocketal.1979,
  author    = {Helsper, Christoph and Beßling, Harro and Kiock, R. and Fißan, H. J.},
  title     = {Experimentelle Untersuchung der Partikelanzahlkonzentration im Windkanal f{\"u}r den Einsatz von laseranemometrischen Verfahren / Beßling, Harro; Kiock, R.; Helsper, C.; Fißan, H. J.},
  publisher = {DFVLR},
  address   = {K{\"o}ln},
  pages     = {48 S.},
  year      = {1979},
  language  = {de}
}
@book{Helsper1981,
  author    = {Helsper, Christoph},
  title     = {Bestimmung, Simulation und Korrektur des nichtidealen {\"U}bertragungsverhaltens klassifizierender Aerosolmeßverfahren},
  publisher = {Univ.-Gesamthochsch},
  address   = {Duisburg},
  pages     = {65 S.},
  year      = {1981},
  language  = {de}
}
@book{AckermannMehlPeischl1990,
  author    = {Ackermann, Hans-Josef and Mehl, Max and Peischl, Markus},
  title     = {Modulares Graphik-Subsystem f{\"u}r die Echtzeitdarstellung von 3D-Anwendungen : Abschlußbericht ; Contract NT 2815-A-8 / Hans-Josef Ackermann; Max Mehl; Markus Peischl. Fachbereich Informatik, Technische Hochschule Darmstadt; Bundesministerium f{\"u}r Forschung und Technologie, Bonn},
  publisher = {Techn. Hochschule},
  address   = {Darmstadt},
  pages     = {ca. 100 S.},
  year      = {1990},
  language  = {de}
}
@book{Ackermann1996,
  author    = {Ackermann, Hans-Josef},
  title     = {Hardware-Unterst{\"u}tzung f{\"u}r effiziente Dreiecksrasterisierung und texture mapping},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3826512081},
  pages     = {III, 162 S : Ill., graph. Darst.},
  year      = {1996},
  language  = {de}
}
@book{Stephan1989,
  author    = {Stephan, J{\"u}rgen},
  title     = {Entscheidungsorientierte Wechselkurssicherung},
  publisher = {Eul},
  address   = {Bergisch Gladbach [u.a.]},
  isbn      = {3-89012-153-5},
  pages     = {III, 165 S. : graph. Darst.},
  year      = {1989},
  language  = {de}
}
@book{HafnerSchwarzerPlettnerMarlianietal.2000,
  author    = {Hafner, B. and Schwarzer, Klemens and Plettner-Marliani, J. and Wemh{\"o}ner, C. and Faber, Christian and Wenzel, T.},
  title     = {Entwicklung einer Heizungs-/Solarthermie "Toolbox" f{\"u}r die Simulationsumgebung MATLAB (EXP trademark) /SIMULINK (EXP trademark) : Abschlussbericht},
  publisher = {Fachhochschule Aachen},
  address   = {J{\"u}lich},
  pages     = {56 S.},
  year      = {2000},
  language  = {de}
}
@book{PeterStrackeWeinzierletal.1995,
  author    = {Peter, M. and Stracke, Thomas and Weinzierl, C. and Faber, Christian and Schwarzer, Klemens},
  title     = {Verbundvorhaben zur Ermittlung der Leistungsf{\"a}higkeit von Sonnenheizsystemen zur Wassererw{\"a}rmung : Phase 2 (VELS II) ; Abschlussbericht},
  publisher = {Solar-Institut J{\"u}lich, Fachhochschule Aachen},
  address   = {J{\"u}lich},
  pages     = {87 S.},
  year      = {1995},
  language  = {de}
}
@book{Maercker1995,
  author    = {Maercker, Gisela},
  title     = {Efficient estimation in AR models with ARCH errors},
  publisher = {Institute f{\"u}r Mathematik, Techn. Univ.},
  address   = {Braunschweig},
  pages     = {20 Bl.},
  year      = {1995},
  language  = {en}
}
@book{Maercker1997,
  author    = {Maercker, Gisela},
  title     = {Statistical inference in conditional heteroskedastic autoregressive models},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-2486-1},
  pages     = {87 S.: graph. Darst.},
  year      = {1997},
  language  = {en}
}
@book{MuellerOestreichKruse1990,
  author    = {M{\"u}ller-Oestreich, Karen and Kruse, Christina},
  title     = {Verfehlte Ziele, die Ausgabenentwicklung in den USA und in der Bundesrepublik Deutschland in den 80er Jahren / Christina Kruse und Karen M{\"u}ller-Oestreich},
  address   = {Freiburg i. Br.},
  pages     = {35 Bl. 13 Tab.},
  year      = {1990},
  language  = {de}
}