Ward, Barbara. <br/><br/>
Only one earth;   the care and maintenance of a small planet,  
/ by Barbara Ward and Rene Dubos. 
 - New York,   Norton,  1972. 
 - xxv, 225 p.   21 cm. 
<br/><br/><label>ISBN: </label>0393063917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.
<br/><br/><label>Dewey Class. No.: </label>301.3 WAR