@incollection{Stahlknecht1991,
  author    = {Stahlknecht, P},
  title     = {Arbeitsbuch Wirtschaftsinformatik},
  address   = {Berlin, Heidelberg, New York},
  year      = {1991},
  language  = {mul}
}
@incollection{BalzThalenhorst2013,
  author    = {Balz, Ulrich and Thalenhorst, Jobst},
  title     = {Shareholder Value},
  series = {W. Pepels, Marketingeffizienz - Kosten senken und Leistung steigern},
  booktitle = {W. Pepels, Marketingeffizienz - Kosten senken und Leistung steigern},
  edition   = {2.},
  publisher = {Berliner Wissenschafts-Verlag},
  address   = {Berlin},
  pages     = {241 -- 256},
  year      = {2013},
  language  = {mul}
}
@incollection{Balz1993,
  author    = {Balz, Ulrich},
  title     = {Cash - Flow - Steuer, 1993},
  series = {Cash - Flow - Steuer},
  booktitle = {Cash - Flow - Steuer},
  edition   = {2. Auflage},
  address   = {M{\"u}nchen},
  year      = {1993},
  language  = {mul}
}
@incollection{ThalenhorstBalz2003,
  author    = {Thalenhorst, Jobst and Balz, Ulrich},
  title     = {Shareholder-Value},
  series = {Vollmuth, H., Pepels, W.: Kosten senken und Leistungen steigern durch marktorientiertes Kostenmanagement},
  booktitle = {Vollmuth, H., Pepels, W.: Kosten senken und Leistungen steigern durch marktorientiertes Kostenmanagement},
  address   = {Renningen},
  year      = {2003},
  language  = {mul}
}
@incollection{Balz2001,
  author    = {Balz, Ulrich},
  title     = {Unternehmensbewertung beim B{\"o}rsengang},
  series = {O.Arlinghaus/ U.Balz: Going Public- der erflogreiche B{\"o}rsengang},
  booktitle = {O.Arlinghaus/ U.Balz: Going Public- der erflogreiche B{\"o}rsengang},
  address   = {M{\"u}nchen},
  pages     = {63 -- 86},
  year      = {2001},
  language  = {mul}
}
@incollection{Baaken1990,
  author    = {Baaken, Thomas},
  title     = {Technologie-Marketing},
  series = {Technologie-Marketing},
  booktitle = {Technologie-Marketing},
  address   = {Wiesbaden},
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  language  = {mul}
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@incollection{Buchholz1999,
  author    = {Buchholz, Wolfgang},
  title     = {Einkaufsleistungen messen.},
  series = {Der Einkaufs- und Lagerwirtschaftsberater, 84. Erg{\"a}nzung},
  booktitle = {Der Einkaufs- und Lagerwirtschaftsberater, 84. Erg{\"a}nzung},
  address   = {Wiesbaden},
  pages     = {1 -- 26},
  year      = {1999},
  language  = {mul}
}
@incollection{Baaken1999,
  author    = {Baaken, Thomas},
  title     = {Simultaneous Marktforschung},
  series = {Pepels W. (Hrsg.): Handbuch Moderne Marktforschungs-Praxis},
  booktitle = {Pepels W. (Hrsg.): Handbuch Moderne Marktforschungs-Praxis},
  address   = {Kriftel},
  pages     = {770 -- 782.},
  year      = {1999},
  language  = {mul}
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@incollection{BaakenLasogga2004,
  author    = {Baaken, Thomas and Lasogga, Frank},
  title     = {Lebensl{\"a}nglich loyal - Kundenbeziehungsmanagement},
  series = {acquisa, Vol 52},
  booktitle = {acquisa, Vol 52},
  issn      = {0938-792},
  pages     = {S. 28 -- 30.},
  year      = {2004},
  language  = {mul}
}
@incollection{Baaken1999,
  author    = {Baaken, Thomas},
  title     = {Simultaneous Marktforschung},
  series = {Handbuch Moderne Marktforschungs-Praxis},
  booktitle = {Handbuch Moderne Marktforschungs-Praxis},
  address   = {Kriftel},
  pages     = {. 770 -- 782.},
  year      = {1999},
  language  = {mul}
}
@incollection{Dellmann1995,
  author    = {Dellmann, Frank},
  title     = {Processing Partial Information in Decision Support Systems.},
  series = {Gaul, W.; Pfeifer, D. (eds.): From Data to Knowledge.},
  booktitle = {Gaul, W.; Pfeifer, D. (eds.): From Data to Knowledge.},
  publisher = {Springer},
  address   = {Berlin},
  pages     = {423 -- 432},
  year      = {1995},
  language  = {mul}
}
@incollection{Dellmann2001,
  author    = {Dellmann, Frank},
  title     = {An{\´a}lisis de la utilizaci{\´o}n de sitios web con m{\´e}todos de estad{\´i}stica inferencial en la pr{\´a}ctica.},
  series = {Proceedings 36° Asamblea Anual del Consejo Latinoamericano de Escuelas de Administraci{\´o}n CLADEA: Los nuevos modelos de negocios ante la globalizaci{\´o}n. Mexico City, 25.-28.9.2001.},
  booktitle = {Proceedings 36° Asamblea Anual del Consejo Latinoamericano de Escuelas de Administraci{\´o}n CLADEA: Los nuevos modelos de negocios ante la globalizaci{\´o}n. Mexico City, 25.-28.9.2001.},
  address   = {Mexico City},
  year      = {2001},
  language  = {mul}
}
@incollection{Balz1993,
  author    = {Balz, Ulrich},
  title     = {Cash-Flow-Steuer},
  series = {E.Dichtl/O.Issing: Vahlens großes Wirtschaftslexikon},
  booktitle = {E.Dichtl/O.Issing: Vahlens großes Wirtschaftslexikon},
  edition   = {2.Auflage},
  address   = {M{\"u}nchen},
  year      = {1993},
  language  = {mul}
}
@incollection{Pooten1994,
  author    = {Pooten, Holger},
  title     = {Deutsche Rechnungslegung},
  series = {Gr{\"a}fer, Horst / Demming, Claudia: Deutsche Rechnungslegung},
  booktitle = {Gr{\"a}fer, Horst / Demming, Claudia: Deutsche Rechnungslegung},
  publisher = {Sch{\"a}ffer-Poeschel},
  address   = {Stuttgart},
  pages     = {307 -- 370},
  year      = {1994},
  language  = {mul}
}
@incollection{Pooten2008,
  author    = {Pooten, Holger},
  title     = {Bilanzanalyse},
  series = {Pooten, Holger u.a.: BWL kompakt},
  booktitle = {Pooten, Holger u.a.: BWL kompakt},
  edition   = {4. Aufl.},
  publisher = {Euroforum Verlag},
  address   = {D{\"u}sseldorf},
  pages     = {Lektion 3},
  year      = {2008},
  language  = {mul}
}
@incollection{BaxHeidemannRitter2005,
  author    = {Bax, I. and Heidemann, G. and Ritter, H.},
  title     = {Using Non-negative Sparse Profiles in a Hierarchical Feature Extraction Network},
  series = {Proc. 9th IAPR Conf. Machine Vision Applications},
  booktitle = {Proc. 9th IAPR Conf. Machine Vision Applications},
  address   = {Tsukuba Science City, Japan},
  pages     = {464 -- 467},
  year      = {2005},
  language  = {mul}
}
@incollection{HeidemannBaxBekeletal.2004,
  author    = {Heidemann, G. and Bax, I. and Bekel, H. and Bauckhage, C. and Wachsmuth, S. and Fink, G. and Pinz, A. and Ritter, H. and Sagerer, G.},
  title     = {Multimodal interaction in an augmented reality scenario},
  series = {Proc. Int'l Conf. Multimodal Interfaces},
  booktitle = {Proc. Int'l Conf. Multimodal Interfaces},
  address   = {New York, NY, USA},
  pages     = {53 -- 60},
  year      = {2004},
  language  = {mul}
}
@incollection{HeidemannBekelBaxetal.2004,
  author    = {Heidemann, G. and Bekel, H. and Bax, I. and Ritter, H.},
  title     = {Interactive Online Learning},
  series = {Proc. Pattern Recognition and Image Analysis},
  booktitle = {Proc. Pattern Recognition and Image Analysis},
  address   = {St. Petersburg, Russia},
  pages     = {44 -- 48},
  year      = {2004},
  language  = {mul}
}
@incollection{SchulteLittkemann2006,
  author    = {Schulte, K. and Littkemann, J.},
  title     = {Investitionscontrolling},
  series = {Littkemann, J. (Hrsg.): Unternehmenscontrolling - Konzepte, Instrumente, praktische Anwendungen mit durchg{\"a}ngiger Fallstudie},
  booktitle = {Littkemann, J. (Hrsg.): Unternehmenscontrolling - Konzepte, Instrumente, praktische Anwendungen mit durchg{\"a}ngiger Fallstudie},
  publisher = {NWB},
  address   = {Herne/Berlin},
  isbn      = {3482569215},
  pages     = {555 -- 666},
  year      = {2006},
  language  = {mul}
}
@incollection{SchulteLittkemann2005,
  author    = {Schulte, K. and Littkemann, J.},
  title     = {Einbindung externer Berater in Innovationsprojekte},
  series = {Littkemann, J. (Hrsg.): Innovationscontrolling},
  booktitle = {Littkemann, J. (Hrsg.): Innovationscontrolling},
  publisher = {Vahlen},
  address   = {M{\"u}nchen},
  isbn      = {380063161X},
  pages     = {197 -- 219},
  year      = {2005},
  language  = {mul}
}