@article{475080,
      author = {Singer, Dorothy G. and Singer, Jerome L.},
      url = {http://library.usi.edu/record/475080},
      title = {The house of make-believe children's play and the  developing imagination / [electronic resource] :},
      publisher = {Harvard University Press,},
      recid = {475080},
      pages = {ix, 339 p.},
      address = {Cambridge, MA :},
      year = {1990},
}