Ward, Barbara <br/><br/>
Only One Earth:   The Care and Maintenance of a Small Planet  

 -  Ballantine Walden Ed. 
 - New York   Ballantine Books   1983 
<br/><br/><label>ISBN: </label>345032209150 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Biogeography<br/> Hydrobiology<br/>Geography<br/>Human ecology
<br/><br/><label>LC Class. No.: </label>GF41.J3