BLACKMAN L. R. <br/><br/>
APHIDS ON THE WORLD'S CROPS: AN IDENTIFICATION GUIDE 

 - NEW YORK   JOHN WILEY  1984 
<br/><br/><label>ISBN: </label>0 471 90426 0 
<br/><br/><label>LC Class. No.: </label>632.752/BLA  / 1 
<br/><br/><label>Dewey Class. No.: </label>632.752/BLA  / 1