DE PUY, G.W., <br/><br/>
PROCESS TECHNOLOGY DEVELOPMENTS WITH CONCRETE-POLYMER MATERIALS// 
G.W. De PUY 
 - Colorado :  US Dept. of the Interior, Bur. of Recl.,  1975 
 - 63 pages 
<br/><br/> PHPHOTOCOPY 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONCRETE-POLYMER
<br/><br/><label>Universal Decimal Class. No.: </label>41 678.026