@article{1363307,
      author = {Posamentier, Alfred S., and Krulik, Stephen, and Hauptman,  Herbert A.,},
      url = {http://library.usi.edu/record/1363307},
      title = {Problem-solving strategies for efficient and elegant  solutions, grades 6-12 : a resource for the mathematics  teacher /},
      recid = {1363307},
      pages = {1 online resource (279 pages) :},
}