PATEL (R D). <br/><br/>
Petroleum and petrochemicals. 

 - N D  Thomson Press Ltd.  1971 
 - vi,64 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrolelum Petrochemicals
<br/><br/><label>Dewey Class. No.: </label>547.8 PATP