@misc{SponagelMasbergHartmann1999,
  author    = {Sponagel, Stefan and Masberg, Mariane and Hartmann, Jochen},
  title     = {Kraftfahrzeugk{\"u}hlwasserpumpe : Offenlegungsschrift DE19803739A1 ; Ver{\"o}ffentlichungstag im Patentblatt: 12.08.1999},
  publisher = {Deutsches Patent- und Markenamt},
  address   = {M{\"u}nchen},
  pages     = {6 S. : Ill.},
  year      = {1999},
  language  = {de}
}
@misc{SchmidtJelinekBiselli1999,
  author    = {Schmidt, Sebastian and Jelinek, Nanni and Biselli, Manfred},
  title     = {Verfahren zur Durchf{\"u}hrung von chemischen oder biologischen Reaktionen},
  pages     = {1 -- 12},
  year      = {1999},
  language  = {de}
}
@misc{WandreyBiselliSchroederetal.1999,
  author    = {Wandrey, Christian and Biselli, Manfred and Schr{\"o}der, Bernd and Schmoll, Hans-Joachim},
  title     = {Culturing cells on macroporous glass carriers coated with gelatin, extracellular matrix protein and stromal cells},
  pages     = {1 -- 12},
  year      = {1999},
  language  = {en}
}