Tractors / 
A. Gurevich and E. Sorokin ; translated by Oleg Sapunov. 
 - Moscow :  Mir,  1967. 
 - 516 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>344  344 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tractors.
<br/><br/><label>Dewey Class. No.: </label>631.372 / G961t