@book{Hufnagel2009,
  author    = {Hufnagel, W.},
  title     = {Managementsysteme, LE1},
  address   = {Hagen},
  year      = {2009},
  language  = {mul}
}
@book{HufnagelKuehn2009,
  author    = {Hufnagel, W. and K{\"u}hn, R.},
  title     = {Betriebliches Rechnungswesen, Externes Rechnungswesen, LE 1-4},
  address   = {Hagen},
  year      = {2009},
  language  = {mul}
}
@article{KerkaKriegesmannSchwering2009,
  author    = {Kerka, Friedrich and Kriegesmann, Bernd and Schwering, Markus G.},
  title     = {Evaluating innovation ideas: a comprehensive approach to New Product Development},
  series = {INT. J. TECHNOLOGY INTELLIGENCE AND PLANNING, Vol. 5, No. 2},
  journal   = {INT. J. TECHNOLOGY INTELLIGENCE AND PLANNING, Vol. 5, No. 2},
  pages     = {118 -- 137},
  year      = {2009},
  language  = {mul}
}
@article{KerkaSchweringStriewe2009,
  author    = {Kerka, Friedrich and Schwering, Markus G. and Striewe, Frank},
  title     = {Innovationsorientierte Marktforschung},
  series = {Gerybadze, Alexander; H{\"u}nningshausen, Lars; Barske, Heiko; Sommerlatte, T. (Hrsg.): Innovationsmanagement - Produkte, Prozesse, Dienstleistungen, D{\"u}sseldorf 2009},
  journal   = {Gerybadze, Alexander; H{\"u}nningshausen, Lars; Barske, Heiko; Sommerlatte, T. (Hrsg.): Innovationsmanagement - Produkte, Prozesse, Dienstleistungen, D{\"u}sseldorf 2009},
  year      = {2009},
  language  = {mul}
}
@article{KnickmeierKriegesmannStriewe2009,
  author    = {Knickmeier, Alexander and Kriegesmann, Bernd and Striewe, Frank},
  title     = {Sind Krisenzeiten Innovationszeiten?},
  series = {Jahresbericht des Instituts f{\"u}r angewandte Innovationsforschung an der Ruhr-Universit{\"a}t Bochum e. V., No 234},
  journal   = {Jahresbericht des Instituts f{\"u}r angewandte Innovationsforschung an der Ruhr-Universit{\"a}t Bochum e. V., No 234},
  year      = {2009},
  language  = {mul}
}
@incollection{KoehlerKottmannKriegesmannetal.2009,
  author    = {K{\"o}hler, Rainer and Kottmann, Marcus and Kriegesmann, Bernd and Striewe, Frank},
  title     = {Kooperative Ingenieurausbildung zur Nachwuchssicherung},
  series = {Schwuchow, Karlheinz; Gutmann, Joachim (Hrsg.): Jahrbuch Personalentwicklung 2010},
  booktitle = {Schwuchow, Karlheinz; Gutmann, Joachim (Hrsg.): Jahrbuch Personalentwicklung 2010},
  address   = {K{\"o}ln},
  pages     = {121 -- 129},
  year      = {2009},
  language  = {mul}
}
@misc{Remmerbach2009,
  author    = {Remmerbach, K.- U.},
  title     = {Was muß eine gute F{\"u}hrungskraft k{\"o}nnen?},
  year      = {2009},
  language  = {mul}
}