c.ronald carroll/ john h. vandermeer/ peter rosset <br/><br/>
agroecology 

 - new york  mcgraw hill  1990 
 - xiv,641,illus  hbk 
<br/><br/><label>ISBN: </label>007052923 
<br/><br/><label>LC Class. No.: </label>s 589 .7 a27