@article{393936,
      author = {Steen, Lynn Arthur,},
      url = {http://library.usi.edu/record/393936},
      title = {On the shoulders of giants new approaches to numeracy /  [electronic resource] :},
      publisher = {National Academy Press,},
      recid = {393936},
      pages = {viii, 232 p. :},
      address = {Washington, D.C. :},
      year = {1990},
}