Tractors and their power units / 
John B. Liljedahl ... [et al.]. 
 - 4th ed. 
 - St. Joseph, MI :  American Society of Agricultural Engineers,  c1996. 
 - xiii, 463 p. :  ill. ; 
<br/><br/> "ASAE textbook no. 801P1096"--T.p. verso. 
<br/><br/><label>ISBN: </label>0929355725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tractors--Motors.<br/>Tractors--Design and construction.<br/>Tractors--Dynamics.
<br/><br/><label>LC Class. No.: </label>TL233  / .T658 1996