Ente nazionale idrocarburi <br/><br/>
Energy and petroleum in 1963:  survey accompanying e n i's annual report and statement of accounts at 30th april 1964 
Ente nazionale idrocarburi 
 - n.p., n.d 
 - 239p  ill.   32 cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy power 
<br/><br/><label>Dewey Class. No.: </label>333.7  / ENT