Birkler, J. L.,  1944, <br/><br/>
The relative cost factor :  a method of comparing petroleum refinery investment / 
John L. Birkler, William H. Micklish, Edward W. Merrow 
 - iii, 13 pages ;  28 cm. 
 - The Rand paper series ;  P-7307 .
 - The Rand paper series ;  P-7307 .
<br/><br/>Includes bibliographical references: page 13 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Refining--Costs--United States