TY  - BOOK
AU  - Pellegrini,Anthony D.
AU  - Smith,Peter K.
TI  - The nature of play: great apes and humans
SN  - 1593851170
AV  - BF717 .N38 2005
PY  - 2005///
CY  - New York
PB  - Guilford
KW  - Play
KW  - Psychological aspects
KW  - Local
KW  - Psychology, Comparative
KW  - Play behavior in animals
N1  - Includes bibliographical references and index
ER  -