Highway Research Board <br/><br/>
Soil Density Control Methods  Highway Research Board Bulletin 159 

 - National Academy of Sciences- National Research Council  Washington  1957 
 - 135p.  fig.,tab.,ill. 
<br/><br/><label>Nat. Bib. No.: </label>2124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>625.74  / SOI