@article{887139,
      author = {Cockburn, Anne.},
      url = {http://library.usi.edu/record/887139},
      title = {Mathematical understanding 5-11 a practical guide to  creative communication in mathematics / [electronic  resource] :},
      publisher = {Paul Chapman ;},
      recid = {887139},
      pages = {viii, 115 p. :},
      address = {London :},
      year = {2007},
}