TY - BOOK AU - Cratty, Bryant J. AU - ED - ED - ED - ED - SN - 137366124 SN - 2 PY - 1989///];copyright 1989.46 CY - Englewood Cliffs, N.J. PB - Prentice Hall KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Psychological aspects.;Social aspects KW - Sports;Cognition.;Sports N1 - Includes bibliographies and index; 5 ER -