@misc{Becker2000,
  author    = {Becker, Nauka},
  title     = {Training im Wasser mit der Poolnudel},
  publisher = {Univ},
  address   = {Potsdam},
  isbn      = {3-935024-01-0},
  pages     = {CD-ROM : farb., mit Ton ; 12 cm},
  year      = {2000},
  language  = {de}
}