Cramer, H. H. <br/><br/>
Plant protection and world crop prduction / 
H. H. Cramer; translated by J. H. Edwards. 
 - Leverkusen, Argentina :  Farbenfabriken Bayer Ag.,  19?. 
 - 524 p. :  ill. 
<br/><br/><label>LCCN: </label>88991035  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants, Protection of.<br/>Plant diseases.<br/>Agricultural pests--Control.