Agricultural ecology and environment :  proceedings of an Interntional Symposium ..., Padova, Italy, 5-7 April 1988 / 
edited by M.G. Paoletti, B.R. Stinner and G.G. Lorenzoni 
 - Amsterdam :  Elsevier North-Holland,  1989 
 - 636 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0444886109 
<br/><br/><label>LCCN: </label>90-149499 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology--Congresses