@article{11077,
      author = {LeBlanc, John F.},
      url = {http://library.usi.edu/record/11077},
      title = {Numeration /},
      publisher = {Indiana University Mathematics Education Development  Center,},
      recid = {11077},
      pages = {86 p. :},
      address = {[Bloomington] :},
      year = {1973},
}