Deshpande, B. G. <br/><br/>
The story of petroleum 

 - Dar es Salaam  Dar-es-Salaam University Press  1978 
 - 30p.  20cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History and Science
<br/><br/><label>LC Class. No.: </label>EAF PAM DT421.E3E33 Vol.12