@article{JanzLoeoefPeters2004,
  author    = {Janz, Norbert and L{\"o}{\"o}f, Hans and Peters, Bettina},
  title     = {Firm Level Innovation and Productivity, Is there a Common Story Across Countries?},
  series = {Problems and Perspectives in Management (2004)},
  journal   = {Problems and Perspectives in Management (2004)},
  isbn      = {ISSN 1727-7051},
  pages     = {184 -- 204},
  year      = {2004},
  language  = {en}
}
@book{JanzLoeoefPeters2003,
  author    = {Janz, Norbert and L{\"o}{\"o}f, Hans and Peters, Bettina},
  title     = {Firm Level Innovation and Productivity, Is there a Common Story Across Countries?},
  publisher = {Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung ZEW},
  address   = {Mannheim},
  isbn      = {ISSN 1727-7051},
  pages     = {34},
  year      = {2003},
  language  = {en}
}
@article{Jacobs1999,
  author    = {Jacobs, Stephan},
  title     = {The Teamwork Approach in Requirements Engineering},
  series = {The nature of requirements engineering / Matthias Jarke ... (Hrsg.)},
  journal   = {The nature of requirements engineering / Matthias Jarke ... (Hrsg.)},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-6174-0},
  pages     = {XVIII, 410 S. : Ill., graph. Darst.},
  year      = {1999},
  language  = {en}
}
@book{JanzEblingGottschalketal.2002,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Peters, Bettina},
  title     = {Innovation Activities in the German Economy: Report on indicators from the Innovation Survey 2001 (english translation) / Janz, N., G. Ebling, S. Gottschalk, B. Peters und T. Schmidt},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {2002},
  language  = {en}
}
@book{JanzGottschalkHempelletal.2002,
  author    = {Janz, Norbert and Gottschalk, Sandra and Hempell, Thomas and Peters, Bettina},
  title     = {Innovation Activities in the German Economy. Report on Indicators from the Innovation Survey 2000 (English translation) / Janz, N., S. Gottschalk, T. Hempell, B. Peters, G. Ebling und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {2002},
  language  = {en}
}
@article{Janz2002,
  author    = {Janz, Norbert},
  title     = {Innovative Power of German Manufacturing Industry Slows Down},
  series = {ZEW news. English edition. 4 (2002), H. 2002},
  journal   = {ZEW news. English edition. 4 (2002), H. 2002},
  pages     = {5 -- 5},
  year      = {2002},
  language  = {en}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Innovations in Germany: Market Novelties Gain Greater Importance},
  series = {ZEW news. English edition (2001)},
  journal   = {ZEW news. English edition (2001)},
  pages     = {3 -- 3},
  year      = {2001},
  language  = {en}
}
@article{PietschKurbel1990,
  author    = {Pietsch, Wolfram and Kurbel, Karl},
  title     = {A Cooperative Work Environment for Evolutionary Software Development / Kurbel, K., Pietsch, W.},
  series = {Multi-user interfaces and applications : proceedings of the IFIP WG 8.4 Conference on Multi-User Interfaces and Applications, Heraklion, Crete, Greece, 24 - 26 September, 1990 / ed. by Simon Gibbs ...},
  journal   = {Multi-user interfaces and applications : proceedings of the IFIP WG 8.4 Conference on Multi-User Interfaces and Applications, Heraklion, Crete, Greece, 24 - 26 September, 1990 / ed. by Simon Gibbs ...},
  publisher = {North-Holland Publ.},
  address   = {Amsterdam [u.a.]},
  isbn      = {0-444-88760-1},
  pages     = {115 -- 127},
  year      = {1990},
  language  = {en}
}
@article{PietschSteinbauer1994,
  author    = {Pietsch, Wolfram and Steinbauer, Dieter},
  title     = {Business Process Reengineering},
  series = {Wirtschaftsinformatik. 36 (1994), H. 5},
  journal   = {Wirtschaftsinformatik. 36 (1994), H. 5},
  isbn      = {0937-6429},
  pages     = {502 -- 505},
  year      = {1994},
  language  = {en}
}
@article{PietschHerzwurm2003,
  author    = {Pietsch, Wolfram and Herzwurm, G.},
  title     = {QFD for Customer-Focused Requirements Engineering / Herzwurm, G., Pietsch, W.},
  series = {Proceedings : 8 - 12 September 2003, Monterey Bay, California, USA / sponsored by IEEE Computer Society Technical Council on Software Engineering (TCSE) ... In cooperation with ACM SigSOFT},
  journal   = {Proceedings : 8 - 12 September 2003, Monterey Bay, California, USA / sponsored by IEEE Computer Society Technical Council on Software Engineering (TCSE) ... In cooperation with ACM SigSOFT},
  publisher = {IEEE Computer Society},
  address   = {Los Alamitos, Calif. [u.a.]},
  isbn      = {0769519806},
  pages     = {330 -- 338},
  year      = {2003},
  language  = {en}
}