Butterworth, Bill. <br/><br/>
Farm tractors : the case guide to tractor selection, operation, economics and servicing /  
Bill Butterworth. 
 - /   . 
 - London :   E. and F.N. Spon ,   1984. 
 - 149p. :   ill.,figs.,plates,tables ;   22cm .  
<br/><br/>Include index 
<br/><br/><label>ISBN: </label>0419132406  UKP 6.50 
<br/><br/><label>Subjects--Index Terms: </label>CASE TRACTORS 
<br/><br/><label>Dewey Class. No.: </label>629.225  / BUT/F