LaCroix, J. Donald <br/><br/>
Plants, people and environment 
Donald J.LaCroix 
 - New York:  Macmillan,  1979. 
 -  542p. 
<br/><br/> HB 
<br/><br/>Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0023621206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection<br/>Conservation of natural resources<br/>Botany<br/>Human ecology<br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>301.31  / PLA