Knapp, Barbara. <br/><br/>
Skill in sport :   the attainment of proficiency/  
Barbara Knapp. 
 - London :   Routledge & K. Paul ,   1963. 
 - xii, 204 p.:    plates. tables, diagrs. ;    22 cm. 
<br/><br/>Includes bibligraphical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sports.--------
<br/><br/><label>Dewey Class. No.: </label>796 KNA