@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{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{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{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{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{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}
}