Stone, Archie Augustus,  1893- <br/><br/>
Machines for power farming 
Archie A. Stone, Harold E. Gulvin 
 - 3d ed. 
 - New York  Wiley  c1977 
 - ix, 533 p.  ill  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural machinery
<br/><br/><label>Dewey Class. No.: </label>631.3  / 7