@article{390111,
      note = {Includes index.},
      author = {Robertson, William C.},
      url = {http://library.usi.edu/record/390111},
      title = {Math [electronic resource] /},
      publisher = {NSTA Press,},
      recid = {390111},
      pages = {x, 190 p. :},
      address = {Arlington, Va. :},
      year = {2006},
}