Optimum physical performance capacity in adults : report of a WHO scientific group [meeting held in Geneva from 22 to 28 October 1968]. 

 - 32p. 
 - (WHO technical report series ; 436) .
<br/><br/><label>ISBN: </label>92-4-120436-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exertion<br/>Physical fitness<br/>Physical endurance