@article{319735,
      author = {Pugalee, David K. and Friel, Susan N.},
      url = {http://library.usi.edu/record/319735},
      title = {Navigating through geometry in grades 6-8 /},
      publisher = {National Council of Teachers of Mathematics,},
      recid = {319735},
      pages = {viii, 128 p. :},
      address = {Reston, VA :},
      year = {2002},
}