Zane R. Helsel <br/><br/>
Energy in plant nutrition and pest control 

 - Amsterdam  Elsevier  1987 
 - 293p 
<br/><br/>Zane R. Helsel: Energy in plant nutrition and pest control.  Amsterdam.  Elsevier, 1987. 0-444-42445-8--(631.8HEL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-444-42445-8 
<br/><br/><label>Dewey Class. No.: </label>631.8  / HEL