@article{KaulHeiden1997,
  author    = {Manfred Kaul and Wolfgang Heiden},
  title     = {Der virtuelle Wetterfrosch},
  series   = {HGF-Jahresheft},
  number    = {98},
  issn      = {1431-1348},
  pages     = {14 -- 15},
  year      = {1997},
  language  = {de}
}