World energy supplies,1965-1968 

 - New York  United Nations          1970 
 - 108p.  cm. 
 - Statistical papers series J;13 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:732:(C84).1N45.N70s, L0/UN