TY  - BOOK
AU  - Piers,Maria W.
AU  - Piaget,Jean
ED  - Erikson Institute
ED  - Loyola University, Chicago.
ED  - Loyola University, Chicago.
TI  - Play and development: A symposium 
SN  - 0393008711
PY  - 1972///]
CY  - New York
PB  - Norton
KW  - Play
KW  - Psychological aspects
KW  - Child psychology
KW  - Developmental psychobiology
N1  - 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; Includes bibliogr. references
ER  -