Guide to fitness after fifty / 
edited by Raymond Harris [and] Lawrence J. Frankel 
 - New York :  Plenum Press,  c1977 
 - xvii, 356 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0306309955 :  USD 24.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical fitness for middle-aged persons<br/>Exercise for middle-aged persons<br/>Exercise--Physiological aspects<br/>Aging<br/>Physical fitness<br/>Exertion--In old age<br/>Exercise therapy--In old age
<br/><br/><label>Dewey Class. No.: </label>613.7