Conway, Gorden R. <br/><br/>
Unwelcome harvest :  agriculture and pollution / 
Gorden R. Conway & Jules N. Pretty 
 - London :  Earthscan Publications ,  1991 
 - xxv, 645p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1853830364 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment<br/>Pollution<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>613.1  / CON