@inproceedings{Sfard01,
  added-at = {2007-05-15T07:32:50.000+0200},
  address = {Columbus, Ohio},
  author = {Sfard, Anna},
  biburl = {http://www.bibsonomy.org/bibtex/23062218c1de0393e83e9835cd7610983/rmosvold},
  booktitle = {Proceedings of 21st Conference of PME-NA},
  editor = {Speiser, C. and Maher, C. and Walter, C.},
  interhash = {1e52f07d47f3fe1bc303c0dedf5d7073},
  intrahash = {3062218c1de0393e83e9835cd7610983},
  keywords = {discourse education learning mathematics},
  pages = {23-44},
  publisher = {Clearing House for Science, mathematics, and Environmental Education},
  timestamp = {2007-05-15T07:32:50.000+0200},
  title = {Learning mathematics as developing a discourse},
  url = {http://mathcenter-k6.haifa.ac.il/articles%28pdf%29/sfard.pdf},
  year = 2001
}

@inproceedings{Sfard01,
  added-at = {2007-04-11T18:11:29.000+0200},
  address = {Columbus, Ohio},
  author = {Sfard, Anna},
  biburl = {http://www.bibsonomy.org/bibtex/23062218c1de0393e83e9835cd7610983/yish},
  booktitle = {Proceedings of 21st Conference of PME-NA},
  editor = {Speiser, C. and Maher, C. and Walter, C.},
  interhash = {1e52f07d47f3fe1bc303c0dedf5d7073},
  intrahash = {3062218c1de0393e83e9835cd7610983},
  keywords = {approach cerme6 cognition commognition communicational discourse learning mathematics mythesis narrative},
  pages = {23-44},
  publisher = {Clearing House for Science, mathematics, and Environmental Education},
  timestamp = {2007-04-11T18:11:29.000+0200},
  title = {Learning mathematics as developing a discourse},
  url = {http://mathcenter-k6.haifa.ac.il/articles%28pdf%29/sfard.pdf},
  year = 2001
}