@misc{EngelhardKumkeLoehmannsroeben2007,
  author    = {Sonja Engelhard and Michael Uwe Kumke and Hans-Gerd L{\"o}hmannsr{\"o}ben},
  title     = {OPQS - optical process and quality sensing : exemplary applications in the beerbrewing and polyurethane foaming processes},
  institution = {Institut f{\"u}r Chemie},
  series    = {Zweitver{\"o}ffentlichungen der Universit{\"a}t Potsdam : Mathematisch-Naturwissenschaftliche Reihe},
  number    = {paper 004},
  type      = {postprint},
  year        = {2007},
}