The fit body  building endurance.. 

 -  life books  1992 
 - 144p.  col. ill  27 cm. 
<br/><br/> (Fitness, health and nutrition) 
<br/><br/><label>ISBN: </label>ISBN : 070540708X. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exercise - Physiological aspects.<br/>Heart.<br/>Physical fitness.
<br/><br/><label>Dewey Class. No.: </label>613.71  / F50F