Patel, R D  <br/><br/>
Petroleum and petrochemicals  

 - New Delhi:   Thomson Press India Limited Publication Division,   1971 
 - 59p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation 
<br/><br/><label>Subjects--Index Terms: </label>Petroleum  
<br/><br/><label>Universal Decimal Class. No.: </label>553.98  / L1