Ward, Barbara <br/><br/>
Only one earth: the care and maintenance of a small planet 

 - Harmondsworth  Penguin Books  1973 
 - 304 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment
<br/><br/><label>Dewey Class. No.: </label>363.7  / WAR