@inproceedings{DBLP:conf/cscl/LingnauH02a,
  author    = {Andreas Lingnau and
               Ulrich Hoppe},
  title     = {Modelling and supporting learning activities in a computer-integrated
               classroom},
  booktitle = {CSCL},
  year      = {2002},
  pages     = {683-684},
  ee        = {http://dl.acm.org/citation.cfm?id=1658787},
  crossref  = {DBLP:conf/cscl/2002},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/cscl/2002,
  editor    = {Gerry Stahl},
  title     = {Proceedings of the Conference on Computer Support for Collaborative
               Learning: Foundations for a CSCL Community, CSCL '02, Boulder,
               CO, USA, 2002},
  booktitle = {CSCL},
  publisher = {International Society of the Learning Sciences},
  year      = {2002},
  ee        = {http://dl.acm.org/citation.cfm?id=1658616},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}