TY - BOOK T1 - Play and development;a symposium, DA - [1972] CY - New York, AU - Piers, Maria W. AU - Piaget, Jean, ET - [1st ed.] CN - BF717 CN - BF717 PB - Norton PP - New York, PY - [1972] 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. ID - 273888 KW - Play. KW - Child psychology. KW - Developmental psychobiology. SN - 0393010031 TI - Play and development;a symposium, ER -