Agriculture, ecosystems & environment. 

 - New York :  Elsevier,  1983. 
 - v :  ill ;  24 cm. 
<br/><br/> Closed. 
<br/><br/><label>ISSN: </label>01678809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology--Periodicals.<br/>Agriculture--Periodicals.