Dwiggins, Claudius W. Jr. <br/><br/>
Separation and characterization of metallo-organic materials in petroleum 

 - Washington  Bureau of Mines  1969 
 - iii, 41 p.  il  26 cm 
 - RI  7273 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>petroleum<br/>analysis
<br/><br/><label>Universal Decimal Class. No.: </label>620