00358nam a2200121Ia 4500008004100000040001700041041001200058082001700070100002500087245006300112260005000175300001100225230917s9999||||xx |||||||||||||| ||und||  e188444aMAIN  aEnglish  a796.01 G578S  aGoldstein, Jeffrey H 0aSports, games and play social and psychological viewpoints  aNew JerseybLawrence Erlbaum Associatesc1979  a456 p.