Gill,R. Miller <br/><br/>
Soil dynamics in tillage and traction 
Miller,R Gill 
 - Washington:  Agricultural research service unites states department,  n.d. 
 - viii 510p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solid physics 
<br/><br/><label>Dewey Class. No.: </label>532  / GIS