Wojtkowski, Paul A <br/><br/>
Introduction to agroecology : principles and practices 
Paul A. Wojtkowski 
 - New York  Food Products Press  2006 
 - xix, 404 p. : ill. ; 23 cm 
<br/><br/> Includes bibliographical references (p. 359-385) and index 
<br/><br/><label>ISBN: </label>9781560223160 
<br/><br/><label>ISSN: </label>2005027702 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology
<br/><br/><label>Dewey Class. No.: </label>577.55 WOJ