DettoriGL97'

@inproceedings{DBLP:conf/ifip3-1/DettoriGL97,
  author    = {Giuliana Dettori and
               Simonetta Greco and
               Enrica Lemut},
  title     = {Complementing different software environments to mediate
               the introduction of variable, parameter and unknown},
  booktitle = {Secondary School Mathematics in the World of Communication
               Technology},
  year      = {1997},
  pages     = {229-232},
  crossref  = {DBLP:conf/ifip3-1/1997},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ifip3-1/1997,
  editor    = {David Tinsley and
               David C. Johnson},
  title     = {Information and Communications Technologies in School Mathematics,
               IFIP TC3/WG3.1 Working Conference on Secondary School Mathematics
               in the World of Communication Technology: Learning, Teching,
               and the Curriculum, 26-31 October 1997, Grenoble, France},
  booktitle = {Secondary School Mathematics in the World of Communication
               Technology},
  publisher = {Chapman {\&} Hall},
  series    = {IFIP Conference Proceedings},
  volume    = {119},
  year      = {1998},
  isbn      = {0-412-82100-1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}