Patel, R.D.  Prof. <br/><br/>
Petroleum and petrochemicals/ 
Prof. R.D. Patel 
 - New Delhi:  Thomson Press,  1971 
 - 59 p.:  maps, plates;  22 cm. 
<br/><br/><label>ISBN: </label> Rs. 3.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum<br/>Petroleum Chemicals<br/>Petroleum products
<br/><br/><label>Dewey Class. No.: </label>665.538