@inproceedings{Christ2004,
  author    = {Andreas Christ},
  title     = {Blended Learning Anwendungen: iSign - interaktives Online-Labor},
  series = {Aktuelle Trends in der Softwareforschung : Tagungsband zum doIT Software-Forschungstag am 18. November 2003},
  editor    = {Dieter Spath and Klaus Haasis},
  publisher = {Fraunhofer IRB Verlag},
  organization    = {Stuttgart Fraunhofer IAO},
  isbn      = {978-3816764533},
  pages     = {103 -- 118},
  year      = {2004},
  language  = {de}
}