Loomis,S.R. <br/><br/>
Crop Ecology:Productivity and Management in Agricultural Systems 

 - New York  Cambridge University  1992 
<br/><br/><label>ISBN: </label>0-521-38776-0 
<br/><br/><label>LC Class. No.: </label>631/LOO  / 1 
<br/><br/><label>Dewey Class. No.: </label>631/LOO  / 1