TY - BOOK AU - Pellegrini, Anthony D. AU - Smith, Peter K. CN - BF717 CN - BF717 CY - New York : DA - c2005. ID - 308096 KW - Play. KW - Play KW - Play behavior in animals. KW - Psychology, Comparative. LK - http://www.loc.gov/catdir/bios/guilford051/2004020577.html LK - http://www.loc.gov/catdir/description/guilford051/2004020577.html LK - http://www.loc.gov/catdir/toc/ecip0422/2004020577.html PB - Guilford Press, PP - New York : PY - c2005. SN - 1593851170 (alk. paper) T1 - The nature of play :great apes and humans / TI - The nature of play :great apes and humans / UR - http://www.loc.gov/catdir/bios/guilford051/2004020577.html UR - http://www.loc.gov/catdir/description/guilford051/2004020577.html UR - http://www.loc.gov/catdir/toc/ecip0422/2004020577.html ER -