Sonka,Steven T. <br/><br/>
Computers in Farming 

 - New York  McGraw-Hill Book Company  1983 
<br/><br/><label>ISBN: </label>0-07-059653-0 
<br/><br/><label>LC Class. No.: </label>630/SON  / 5 
<br/><br/><label>Dewey Class. No.: </label>630/SON  / 5