@book{Link.2000,
  address = {München},
  author = {Link, Jörg and Gerth, Norbert and Voßbeck, Eckart},
  interhash = {c163355ccf4eccb26d0f8fc1b19a0483},
  intrahash = {7c7a021dda5c2b0fa71227778e255fd6},
  isbn = {3800624257},
  publisher = {Vahlen},
  title = {Marketing-Controlling:  Systeme und Methoden für mehr Markt- und Unternehmenserfolg},
  year = 2000
}

@book{Thomas.1989,
  address = {Bergisch Gladbach},
  author = {Thomas, Gabriele},
  interhash = {ad6ba31c6e42aad1ad06826bd74a4437},
  intrahash = {ea613ad9585a4671b6020e0ede766169},
  isbn = {3890121721},
  publisher = {Eul},
  series = {Reihe},
  title = {Marketingcontrolling in Hotelunternehmungen},
  volume = 30,
  year = 1989
}