Biotic diversity in agroecosystems :  papers from a Symposium ... Padova, Italy, 26-29 September 1990/ 
edited by M. G. Paoletti and D. Pimentel 
 - Amsterdam :  Elsevier North-Holland,  1992 
 - 356 p. : ill. ; maps ;  27 cm.+ 
<br/><br/><label>ISBN: </label>0444893903 
<br/><br/><label>LCCN: </label>92-003651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity--Congresses<br/>Biotic communities--Congresses