@book{Liebers1995,
  author    = {Liebers, Klaus},
  title     = {Optische Ger{\"a}te},
  series = {Naturwissenschaften : Biologie, Chemie, Physik},
  journal   = {Naturwissenschaften : Biologie, Chemie, Physik},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  pages     = {80 S.},
  year      = {1995},
  language  = {de}
}