Hager, Dorsey <br/><br/>
Fundamentals of the petroleum industry /  
Dorsey Hager 
 - 1st ed. 
 - New York :   London :   McGraw-Hill book company, inc.,  1939. 
 - ix-xvii, 445 p.  illus., diagrs.  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INDUSTRIA PETROLERA--EEUU
<br/><br/><label>Universal Decimal Class. No.: </label>665.6(73)