@article{273888,
      note = {Six papers from a series of meetings planned by the  Erikson Institute, the School of Education, and the Dept.  of Psychology of Loyola University, as part of the  university's centennial activities.},
      author = {Piers, Maria W. and Piaget, Jean,},
      url = {http://library.usi.edu/record/273888},
      title = {Play and development; a symposium,},
      publisher = {Norton},
      recid = {273888},
      pages = {176 p.},
      address = {New York,},
      year = {1972},
}