Johnson, William Howard <br/><br/>
Principles, equipment and systems for corn harvesting 
by William H. Johnson and Benson J. Lamp 
 - Wooster, Ohio  Agricultural Consulting Associates  1966 
 - xiv, 370 p.  ill.  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn--Harvesting