@book{JanzEblingGottschalketal.1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Niggemann, Hiltrud},
  title     = {2nd Community Innovation Survey. 2nd Interim Report. Report prepared for Eurostat / Ebling, G. , S. Gottschalk, N. Janz und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {1999},
  language  = {en}
}
@book{JanzEblingGottschalketal.1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Niggemann, Hiltrud},
  title     = {2nd Community Innovation Survey. Final Report. Report prepared for Eurostat / Ebling, G. , S. Gottschalk, N. Janz und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {1999},
  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{JanzEblingGottschalketal.1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Licht, Georg},
  title     = {Dienstleistungen in der Zukunft: Innovationsaktivit{\"a}ten im Dienstleistungssektor. Befragung 1998 / Janz, N., G. Ebling, S. Gottschalk, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {1999},
  language  = {de}
}
@book{JanzEblingGottschalketal.2000,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Niggemann, Hiltrud},
  title     = {Dienstleistungen in der Zukunft: Innovationsaktivit{\"a}ten im Dienstleistungssektor. Ergebnisse der Erhebung 1999 / Janz, N., G. Ebling, S. Gottschalk und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {2000},
  language  = {de}
}
@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}
}
@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{JanzGottschalk2001,
  author    = {Janz, Norbert and Gottschalk, Sandra},
  title     = {Innovation Dynamics and Endogenours Market Structue. An Econometric Investigation with Aggregated Innovation Survey Data / Gottschalk, S. und N. Janz},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {2001},
  language  = {en}
}
@book{JanzGottschalkRammeretal.2002,
  author    = {Janz, Norbert and Gottschalk, Sandra and Rammer, Christian and Peters, Bettina},
  title     = {Innovationsverhalten der deutschen Wirtschaft: Hintergrundbericht zur Innovationserhebung 2001 / Gottschalk, S., N. Janz, B. Peters, C. Rammer und T. Schmidt},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  isbn      = {1611-681X},
  pages     = {221 S., graph. Darst.},
  year      = {2002},
  language  = {de}
}
@book{JanzEblingGottschalketal.2001,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Hempell, Thomas},
  title     = {Innovationsverhalten der deutschen Wirtschaft: Indikatorenbericht zur Innovationserhebung 2000 / Janz, N., G. Ebling, S. Gottschalk, T. Hempell, B. Peters, G. Ebling und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  pages     = {12 S., graph. Darst},
  year      = {2001},
  language  = {de}
}