Earle, Sylvia A.  1935- <br/><br/>
Exploring the deep frontier :  the adventure of man in the sea / 
Sylvia A. Earle and Al Giddings. 
 - [Washington, D.C.] :  The Society,  c1980. 
 - 296 p. ;  il. ;  32 cm. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>0870443437 :  $14.95 
<br/><br/><label>LCCN: </label>80007567 //r942 
<br/><br/><label>Subjects--Index Terms: </label>Deep diving Submarinismo Underwater exploration Exploración submarina 
<br/><br/><label>LC Class. No.: </label>GC65  / .E185 
<br/><br/><label>Dewey Class. No.: </label>910.09162