@article{Kees1999,
  author    = {A. Kees},
  title     = {Produktionsplanung und -steuerung - aber wozu?},
  series   = {Technica},
  volume    = {48},
  number    = {15-16},
  issn      = {0040-0866},
  pages     = {14 -- 17},
  year      = {1999},
  language  = {de}
}