@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{SchuermannMueller1994,
  author    = {Sch{\"u}rmann, Wilhelm and M{\"u}ller, Christian Philipp},
  title     = {Temporary translation(s) - Sammlung Sch{\"u}rmann. Kunst der Gegenwart und Fotografie / Gestaltung der Seiten ...: Christian Philipp M{\"u}ller...},
  publisher = {Ars Nicolai},
  address   = {Berlin},
  isbn      = {3-89479-067-9},
  pages     = {165 S. : {\"u}berw. Ill, 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{Kettern1993,
  author    = {Kettern, J{\"u}rgen},
  title     = {Mechanical and biological treatment of waste after separate collection / R. Damiecki; J.T. Kettern. Italian Ministry of Enviroment},
  publisher = {Eigenverlag},
  address   = {Caglieri},
  pages     = {16 S.},
  year      = {1993},
  language  = {en}
}
@book{StaatHeitzerYanetal.2000,
  author    = {Staat, Manfred and Heitzer, M. and Yan, Ai-Min and Khoi, Vu Duc and Nguyen, Dang Hung and Valdoire, F. and Lahousse, A.},
  title     = {Limit Analysis of Defects},
  publisher = {Forschungszentrum J{\"u}lich},
  address   = {J{\"u}lich},
  issn      = {0944-2952},
  pages     = {89 S.},
  year      = {2000},
  language  = {en}
}
@book{Bruessermann1982,
  author    = {Br{\"u}ssermann, Klaus},
  title     = {Proceedings of the Workshop on Evaluation and Mitigation of Accidental Releases of Radioactivity, Identification of Uncertainties : Bad M{\"u}nstereifel, Fed. Republic of Germany, April 5th - 10th, 1981},
  publisher = {Ges. f{\"u}r Umwelt{\"u}berwachung},
  address   = {Aldenhoven},
  isbn      = {3-88668-014-2},
  pages     = {72 S.},
  year      = {1982},
  language  = {en}
}
@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{MackensteinMarsch2005,
  author    = {Mackenstein, Hans and Marsch, Steve},
  title     = {The international relations of the European Union / by Steve Marsh and Hans Mackenstein},
  publisher = {Pearson Education},
  address   = {Harlow [u.a.]},
  isbn      = {0-582-47293-8},
  pages     = {XX, 305 S.},
  year      = {2005},
  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{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}
}