Ralph Alcock <br/><br/>
Tractor-implement systems 

 - Westport  Avi Publishig Co, Inc  1986 
 - 161p 
<br/><br/>Ralph Alcock: Tractor-implement systems.  Westport.  Avi Publishig Co, Inc, 1986. 0-87055-522-7--(631.372ALC)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-87055-522-7 
<br/><br/><label>Dewey Class. No.: </label>631.372  / ALC