World energy supplies 1972-1976 

 - New York:   United Nations,   1978 
 - xxvii, 233p. 
 - Series no. 21 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy
<br/><br/><label>Subjects--Index Terms: </label>Solid fuels 
<br/><br/><label>Universal Decimal Class. No.: </label>620.9(100)(083.4)  / L8