Graver, Dennis K. <br/><br/>
Scuba diving /  
Dennis K. Graver 
 - Fifth Edition 
 - Champaign, IL :   Human Kintics,   ©2017. 
 - ix, 245 pages:  color illustrations;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>978-1-4925-2576-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scuba diving
<br/><br/><label>Dewey Class. No.: </label>DC 797.234  / G782