@book{RemmerbachAmannKrebs1997,
  author    = {Remmerbach, K.- U. and Amann, W. and Krebs, C.},
  title     = {Marketing-Kompendium},
  publisher = {Unterensingen},
  year      = {1997},
  language  = {mul}
}
@book{Remmerbach1988,
  author    = {Remmerbach, K.- U.},
  title     = {Markteintrittsentscheidungen},
  publisher = {Springer},
  address   = {Wiesbaden},
  isbn      = {978-3-409-13337-1},
  year      = {1988},
  language  = {de}
}