@article{PietschTeubner1993,
  author    = {Pietsch, Wolfram and Teubner, A.},
  title     = {Computerunterst{\"u}tzung f{\"u}r die dezentrale Außendienstarbeit / Pietsch, W. , Teubner, A.},
  series = {IM : die Fachzeitschrift f{\"u}r Information Management \& Consulting (1993)},
  journal   = {IM : die Fachzeitschrift f{\"u}r Information Management \& Consulting (1993)},
  isbn      = {0930-5181, 1616-1017},
  pages     = {22 -- 29},
  year      = {1993},
  language  = {de}
}
@article{PietschKurbel1988,
  author    = {Pietsch, Wolfram and Kurbel, K.},
  title     = {Projektmanagement bei einer Expertensystementwicklung / Kurbel, K., Pietsch, W.},
  series = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 3 (1988), H. 1},
  journal   = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 3 (1988), H. 1},
  isbn      = {0930-5181},
  pages     = {6 -- 13},
  year      = {1988},
  language  = {de}
}
@article{PietschKurbelLabentz1987,
  author    = {Pietsch, Wolfram and Kurbel, K. and Labentz, M.},
  title     = {Prototyping und Projektmanagement bei großen Entwicklungsteams / Kurbel, K., Labentz, M., Pietsch, W.},
  series = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 2 (1987), H. 1},
  journal   = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 2 (1987), H. 1},
  isbn      = {0930-5181},
  pages     = {6 -- 15},
  year      = {1987},
  language  = {en}
}
@article{PietschKurbel1986,
  author    = {Pietsch, Wolfram and Kurbel, Karl},
  title     = {A Portable Implementation of Index Sequential Input-Output [Part 1] / Kurbel, Karl; Pietsch, W.},
  series = {Ada letters. 6 (1986), H. 2},
  journal   = {Ada letters. 6 (1986), H. 2},
  isbn      = {0736-721X},
  pages     = {29 -- 40},
  year      = {1986},
  language  = {en}
}
@article{PietschKurbel1986,
  author    = {Pietsch, Wolfram and Kurbel, Karl},
  title     = {A Portable Implementation of Index Sequential Input-Output [Part 2] / Kurbel, Karl; Pietsch, W.},
  series = {Ada letters. 6 (1986), H. 3},
  journal   = {Ada letters. 6 (1986), H. 3},
  isbn      = {0736-721X},
  pages     = {6 -- 13},
  year      = {1986},
  language  = {en}
}
@book{Pietsch1999,
  author    = {Pietsch, Wolfram},
  title     = {ExperPraxis : ExperTeam-Jahrbuch f{\"u}r die Praxis der Informationsverarbeitung},
  isbn      = {0944-2863},
  year      = {1999},
  language  = {de}
}
@book{JanzEblingNiggemannetal.1998,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Niggemann, Hiltrud and Stahl, Harald},
  title     = {2nd Community Innovation Survey. 1st Interim Report. Report prepared for Eurostat / Ebling, G., N. Janz, H. Niggemann und H. Stahl},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {en}
}
@book{GottschalkJanzRennings1998,
  author    = {Gottschalk, Sandra and Janz, Norbert and Rennings, Klaus},
  title     = {Characteristics and Performance of Eco-Innovative Firms in the German Service Sector},
  pages     = {mimeo},
  year      = {1998},
  language  = {en}
}
@book{JanzBeiseEblingetal.1998,
  author    = {Janz, Norbert and Beise, Marian and Ebling, G{\"u}nther and Licht, Georg},
  title     = {Innovationsverhalten im Verarbeitenden Gewerbe. Erhebung 1997 / Janz, N., M. Beise, G. Ebling, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {de}
}
@book{JanzBeiseEblingetal.1998,
  author    = {Janz, Norbert and Beise, Marian and Ebling, G{\"u}nther and Licht, Georg},
  title     = {Zukunftsperspektiven der deutschen Wirtschaft. Innovationsaktivit{\"a}ten im Verarbeitenden Gewerbe. Befragung 1997, Kurzfassung / Janz, N., M. Beise, G. Ebling, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {de}
}