PIRONE P. PASCAL  <br/><br/>
DISEASES AND PESTS OF ORNAMENTAL PLANTS  

 - NEW YORK   THE RONALD PRESS  1970 
<br/><br/><label>LC Class. No.: </label>632/PIR  / 2 
<br/><br/><label>Dewey Class. No.: </label>632/PIR  / 2