Exercise in water / 
edited by M. H. Duffield 
 - Tindall & Cassell, London :  Bailliere,  1969 
 - 125 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0702003034 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic exercises--Therapeutic use