Graver, Dennis K. <br/><br/>
Scuba diving  / 
Dennis K. Graver. 
 - 3rd ed. 
 - xi, 209 p. :  col. ill. ;  28 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0736045392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scuba diving.