Hope, Frank <br/><br/>
Recognition and control of pests and diseases of farm crops / 
Ernst Gram, Prosper Bovien and Chr. Stapel ; text by Frank Hope 
 - 166 p. :  il. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PATOLOGIA VEGETAL.
<br/><br/><label>Dewey Class. No.: </label>632.9  / H65r