Tivy, J. <br/><br/>
Agriculture ecology 
/by Joy Tivy 
 - New York  Longman Scientific & Technical  1990 
<br/><br/> Include index and References 
<br/><br/><label>ISBN: </label>582301637 
<br/><br/><label>Dewey Class. No.: </label>630.2745  / TIV