Paffenbarger, Ralph S.,  1922-2007. <br/><br/>
LifeFit  an effective exercise program for optimal health and a longer life /  [[Book] :] 
Ralph S. Paffenbarger and Eric Olsen. 
 - 1st ed . 
 - Champaign, IL :  Human Kinectics,  c1996. 
 - xii, 427 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 409-420) and index. 
<br/><br/><label>ISBN: </label>0873224299 
<br/><br/><label>LCCN: </label>95049235  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health.<br/>Physical fitness.
<br/><br/><label>Dewey Class. No.: </label>613.7 
<br/><br/><label>National Library of Medicine Call No.: </label> / P L