Marini-Bettolo, G.B <br/><br/>
Natural products and the protection of plants  proceedings 

 - Amsterdam  Elsevier  1977 
 - 846 p. 
<br/><br/><label>ISBN: </label>044441620X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pest & disease control
<br/><br/><label>Dewey Class. No.: </label>632.9  / NAT