Government Of India : Ministry of Petroleum& Natural Gas <br/><br/>
Indian Petrollium Directory 1996 
L.R. Chowdhary and G.N.Tripathi 
 - Dehradun  Indian Petrolium Publishers  1996 
 - 242p.;18cm. 
<br/><br/><label>Dewey Class. No.: </label>DB338.27282025  / IND