@book{HassPoertner2011,
  author    = {Volker C. Hass and Ralf P{\"o}rtner},
  title     = {Praxis der Bioprozesstechnik : mit virtuellem Praktikum},
  publisher = {Spektrum},
  address   = {Heidelberg},
  isbn      = {9783827428288},
  pages     = {180},
  year      = {2011},
  language  = {de}
}