@article{120991,
      author = {Brown, Stephen I. and Walter, Marion I.,},
      url = {http://library.usi.edu/record/120991},
      title = {The art of problem posing /},
      publisher = {L. Erlbaum,},
      recid = {120991},
      pages = {147 p. :},
      address = {Hillsdale, N.J.:},
      year = {1983},
}