@article{94641,
      note = {Translation of La Formation du symbole.},
      author = {Piaget, Jean,},
      url = {http://library.usi.edu/record/94641},
      title = {Play, dreams, and imitation in childhood.},
      publisher = {Norton},
      recid = {94641},
      pages = {ix, 296 p.},
      address = {New York,},
      year = {1962},
}