Martens, Rainer, 1942. <br/><br/>
Social psychology and physical activity / 
By Rainer Martens. 
 - New York:  Harper & Row,  1975. 
 - 180 p. :  ill. ;  21 cm. 
 - Harper's series on scientific perspectives of physical education. .
<br/><br/><label>ISBN: </label>006044231X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Physical education and training--Psychological aspects.<br/> Sports--Social aspects.<br/> Socialization.<br/> Social interaction.<br/> Physical education and training.<br/> Psychology, Social.