@article{KeesSchotten1996,
  author    = {A. Kees and M. Schotten},
  title     = {Marktstudie zu deutschen und amerikanischen PPS-Systemen},
  series   = {ZwF (Zeitschrift f{\"u}r wirtschaftlichen Fabrikbetrieb)},
  volume    = {91},
  number    = {3},
  issn      = {0947-0085},
  pages     = {75},
  year      = {1996},
  language  = {de}
}