WARD, Barbara Dubos, Rene <br/><br/>
Only one earth: the care and maintenance of a small planet 
/[by] Barbara Ward, Rene Dubos 
 - New York  W.W.Norton & Co.  1972 
 - xix, 224 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>393063917 
<br/><br/><label>Dewey Class. No.: </label>523.4  / WAR