Plants, people, and environment / 
[edited by] Peter B.         Kaufman, J. Donald LaCroix  
 - New York :  Macmillan  1979 
 - xii, 542 pages :  illustrations ;  2cm  
<br/><br/>Includes bibliographical references and index  
<br/><br/><label>ISBN: </label>0023621206  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology<br/>Natural resources conservation areas<br/>Botany