@book{Pietsch1992,
  author    = {Pietsch, Wolfram},
  title     = {Methodik des betrieblichen Software-Projektmanagements : Grundlagen, Begr{\"u}ndung und Konzeption eines evolution{\"a}ren Ansatzes},
  publisher = {de Gruyter},
  address   = {Berlin [u.a.]},
  isbn      = {3-11-013492-6},
  pages     = {Getr. Z{\"a}hlung : graph. Darst.},
  year      = {1992},
  language  = {de}
}
@book{Pietsch1995,
  author    = {Pietsch, Wolfram},
  title     = {Software quality management III : [... held in Seville in April 1995] / [Third International Conference on Software Quality Management]. Ed.: M. Ross},
  publisher = {Computational Mechanics Publ.},
  address   = {Southampton [u.a.]},
  isbn      = {1853123099},
  year      = {1995},
  language  = {en}
}
@book{JanzBaehr1994,
  author    = {Janz, Norbert and B{\"a}hr, Ulrike},
  title     = {Tobin's Q und betriebliche Investitionen : eine empirische analyse alternativer Berechnungsverfahren auf Basis von Jahresabschlußdaten / von Ulrike B{\"a}hr und Norbert Janz},
  address   = {Kiel},
  pages     = {32 Bl.},
  year      = {1994},
  language  = {de}
}
@book{JanzLicht2002,
  author    = {Janz, Norbert and Licht, Georg},
  title     = {Innovation Activities and European Patenting of German Firms. A Panel Data Analysis / Janz, N., G. Licht},
  pages     = {mimeo},
  year      = {2002},
  language  = {en}
}
@book{JanzPeters2002,
  author    = {Janz, Norbert and Peters, Bettina},
  title     = {Innovation and Innovation Success in the German Manufacturing Sector. Econometric Evidence at Firm Level / Janz, N. and Peters, B.},
  pages     = {mimeo},
  year      = {2002},
  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{BergmannSchaeferBlomeetal.1997,
  author    = {Bergmann, Ludwig and Sch{\"a}fer, Clemens and Blome, Hans-Joachim and Gobrecht, Heinrich},
  title     = {Lehrbuch der Experimentalphysik ; Bd. 8 : Sterne und Weltraum},
  editor    = {Raith, Wilhelm},
  publisher = {de Gruyter},
  address   = {Berlin [u.a.]},
  isbn      = {3110151731},
  pages     = {XII, 467 S : Ill., graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{BlomeZaun2004,
  author    = {Blome, Hans-Joachim and Zaun, Harald},
  title     = {Der Urknall : Anfang und Zukunft des Universums},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {3406508375},
  pages     = {128 S : graph. Darst ; 18 cm},
  year      = {2004},
  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}
}