Patel, R D <br/><br/>
Petroleum and petrochemicals / 
Patel, R D 
 -  Thomson Press Ltd., New Delhi,  1971 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum
<br/><br/><label>Dewey Class. No.: </label>665.5 PAT-P