Exploring the role of diversity in sustainable agriculture :  proceedings of a symposium ... / 
editors:  Richard Olson, Charles Francis, and Stephen Kaffka. 
 - Madison, Wis. :  American Society of Agronomy ;  Crop Science Society of America ;  Soil Science Society of America,  1995. 
 - xiii, 249 p. :  ill., maps ; 
<br/><br/><label>ISBN: </label>0891181288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture--Congresses.<br/>Agricultural ecology--Congresses.
<br/><br/><label>LC Class. No.: </label>S494.5.S86  / E95 1995