Farm soils compaction costs 

 - Meredith Publishing Co  1963 
 - 26p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>5038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.4:338.5  / FAR