@book{Welfens1995,
  author    = {Welfens, Paul J. J.},
  title     = {Achieving competition in Europe's telecommunications sector},
  series = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  volume    = {3},
  journal   = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {19 S.},
  year      = {1995},
  language  = {en}
}
@article{Welfens1995,
  author    = {Welfens, Paul J. J.},
  title     = {Telecommunications and transitions in Central and Eastern-Europe},
  year      = {1995},
  language  = {en}
}
@book{Welfens1995,
  author    = {Welfens, Paul J. J.},
  title     = {Telecommunications in systemic transformation : theoretical issues and policy options},
  series = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  volume    = {1},
  journal   = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {44 S.},
  year      = {1995},
  language  = {en}
}
@book{WelfensGraack1995,
  author    = {Welfens, Paul J. J. and Graack, Cornelius},
  title     = {Telecommunications in Western Europe : liberalization, technological dynamics and regulatory developments},
  series = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  volume    = {2},
  journal   = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {60 S.},
  year      = {1995},
  language  = {en}
}
@book{Welfens1995,
  author    = {Welfens, Paul J. J.},
  title     = {Towards full employment and growth in the European Union},
  series = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  volume    = {12},
  journal   = {Diskussionsbeitrag / Europ{\"a}isches Institut f{\"u}r Internationale Wirtschaftsbeziehungen, Potsdam},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {40 S.},
  year      = {1995},
  language  = {en}
}