Jackson, Wes <br/><br/>
Man and the environment / 
Wes Jackson ; foreword by Paul Ehrlich 
 - Dubuque, Iowa :  Wm. C. Brown,  1971 
 - xxiii, 322 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0697046664 
<br/><br/><label>LCCN: </label>74-135421