@article{Dittler,
  author    = {Ullrich Dittler},
  title     = {Mit WLAN zu den Sternen: Das Celestron Cosmos 90GT Wifi im Test},
  series = {Abenteuer Astronomie},
  number    = {Extra 1/2016 : Teleskope \& Ferngl{\"a}ser},
  issn      = {2366-3944},
  pages     = {28 -- 29},
  language  = {de}
}