@article{AscheSchwarzSiemer2002,
  author    = {Asche, Hartmut and Schwarz, Jan-Arne and Siemer, Julia},
  title     = {E-Learning und Geoinformation : zur Vermittlung geoinformationeller Querschnittskompetenz},
  isbn      = {3-89838-033-5},
  year      = {2002},
  language  = {de}
}