@book{WaS607,
  address = {Stuttgart},
  author = {Wagner, Ralf},
  booktitle = {Ideenb\"orse},
  interhash = {921d301652fe9ceb851cefd337643da9},
  intrahash = {568d7e69186c48aed5968201811a3465},
  title = {Kundendialoge in Zeitalter des Clash of Cultures},
  year = 2007
}

@book{WaS507,
  address = {Kassel},
  author = {Wagner, Ralf},
  booktitle = {Marketing-Club Nordhessen},
  interhash = {921d301652fe9ceb851cefd337643da9},
  intrahash = {afd26652bd33c261d2c2fb9aebf31809},
  title = {Kundendialoge in Zeitalter des Clash of Cultures},
  year = 2007
}