@incollection{Cremer2007,
  author    = {Helmut Cremer},
  title     = {VDI und Verfahrenstechnik},
  isbn      = {3-05-501759-5},
  url       = {http://edoc.bbaw.de/oa/series/reiUqyR1ZrM/PDF/29Jd32mxf9NKg_413.pdf},
  year      = {2007},
}