Martin,J H <br/><br/>
Principles of field crop production 
H Martin 
 - 2 nd 
 - New york   The Macmillamn company  1964 
<br/><br/><label>ISBN: </label>0424001314 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop Production
<br/><br/><label>LC Class. No.: </label>SB 187 .A8P73