@article{222553,
      note = {Includes index.},
      author = {Krulik, Stephen. and Rudnick, Jesse A.},
      url = {http://library.usi.edu/record/222553},
      title = {Teaching middle school mathematics : activities,  materials, and problems /},
      publisher = {Allyn and Bacon,},
      recid = {222553},
      pages = {v, 282 p. :},
      address = {Boston :},
      year = {2000},
}