Plant diseases  :   the yearbook of agriculture 1953  / 
by Department of Agriculture 
 - Washington  :   The United States Gobertment Printing Office 
 - 940 p. 
<br/><br/><label>LCCN: </label>206472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fitopatología <br/>Fitopatología -- anuarios
<br/><br/><label>Dewey Class. No.: </label>PA 632 E7