@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}
}
@book{Balzer1980,
  author    = {Balzer, Hermann},
  title     = {Finanzielle Unternehmenspolitik bei Geldentwertung. Ein dynamisches Investitions- und Finanzierungsmodell},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {3-409-37011-0},
  pages     = {232 S.: graph. Darst.},
  year      = {1980},
  language  = {de}
}
@book{JanzEbling1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther},
  title     = {Export and Innovation Activities in the German Service Sector. Empirical Evidence at the Firm Level / Ebling, G.. und N. Janz},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsf{\"o}rderung},
  address   = {Mannheim},
  year      = {1999},
  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{Bernecker2014,
  author    = {Bernecker, Andreas},
  title     = {Essays in Empirical Political Economics},
  pages     = {XI, 174 S. : Ill., graph. Darst.},
  year      = {2014},
  language  = {en}
}
@book{Timme2011,
  author    = {Timme, Michael},
  title     = {Erlass und Verzicht im Zivil- und Wirtschaftsrecht},
  publisher = {Kovac},
  address   = {Hamburg},
  isbn      = {978-3-8300-5843-4},
  pages     = {422 S.},
  year      = {2011},
  language  = {de}
}
@book{Grap1986,
  author    = {Grap, Rolf Dietmar},
  title     = {Entwicklung eines Unternehmungsspiels auf Kleinrechnerbasis},
  address   = {Aachen},
  year      = {1986},
  language  = {de}
}
@book{Call1997,
  author    = {Call, Guido},
  title     = {Entstehung und Markteinf{\"u}hrung von Produktneuheiten},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {3409136975},
  pages     = {XX, 290 S.: graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{Stephan1989,
  author    = {Stephan, J{\"u}rgen},
  title     = {Entscheidungsorientierte Wechselkurssicherung},
  publisher = {Eul},
  address   = {Bergisch Gladbach [u.a.]},
  isbn      = {3-89012-153-5},
  pages     = {III, 165 S. : graph. Darst.},
  year      = {1989},
  language  = {de}
}
@book{HackLindemann2008,
  author    = {Hack, Stefan and Lindemann, Markus},
  title     = {Enterprise SOA Roadmap},
  publisher = {Galileo Pr.},
  address   = {Bonn},
  isbn      = {1-59229-162-7},
  pages     = {417 S. : Ill., graph. Darst.},
  year      = {2008},
  language  = {en}
}