@book{WaScKlS107,
  address = {Freiburg},
  author = {Wagner, Ralf and Scholz, Sören and Klaus, Martin},
  booktitle = {31st Annual GfKl-Conference},
  interhash = {b1e61b1592790cec52c452eedbbbcb21},
  intrahash = {9e5478d0b2b63788388a0bfaaa2a6b9b},
  title = {An Empirical Study of Environmental Scanning Activities},
  year = 2007
}

@book{WaS407,
  address = {Freiburg},
  author = {Wagner, Ralf},
  booktitle = {31st Annual GfKl-Conference},
  interhash = {275c60eec809866865cf4a36fafef43d},
  intrahash = {043d4f75cddbab437c0e109a6c341ad8},
  title = {Classifying Contemporary Marketing Practices},
  year = 2007
}