@book{Mackenstein1992,
  author    = {Mackenstein, Hans},
  title     = {The European system of central banks in relation to the Deutsche Bundesbank : a comparative study of the two institutions and their political and social environment / by Hans Wilhelm Mackenstein},
  address   = {Birmingham},
  pages     = {47 Bl.},
  year      = {1992},
  language  = {en}
}
@book{JacobsJarke1994,
  author    = {Jacobs, Stephan and Jarke, Matthias},
  title     = {Requirements information management : the NATURE approach / RWTH Aachen, Fachgruppe Informatik. M. Jarke},
  publisher = {RWTH, Fachgruppe Informatik},
  address   = {Aachen},
  pages     = {27 S : graph. Darst.},
  year      = {1994},
  language  = {en}
}
@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{Maercker1995,
  author    = {Maercker, Gisela},
  title     = {Efficient estimation in AR models with ARCH errors},
  publisher = {Institute f{\"u}r Mathematik, Techn. Univ.},
  address   = {Braunschweig},
  pages     = {20 Bl.},
  year      = {1995},
  language  = {en}
}
@book{Janz1997,
  author    = {Janz, Norbert},
  title     = {Interpreting Estimation Result of Euler Equation Investment Models when Factor Markets are Imperfectly Competitive},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  pages     = {11 S.},
  year      = {1997},
  language  = {en}
}
@book{Maercker1997,
  author    = {Maercker, Gisela},
  title     = {Statistical inference in conditional heteroskedastic autoregressive models},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-2486-1},
  pages     = {87 S.: graph. Darst.},
  year      = {1997},
  language  = {en}
}
@book{JanzEblingGoeggerleetal.1998,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and G{\"o}ggerle, J. and Licht, Georg},
  title     = {The Longitudinal Aspect of Innovation Surveys / G. Ebling, J. G{\"o}ggerle, N. Janz, G. Licht und H. Stahl},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1998},
  language  = {en}
}
@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{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}
}