World directory of energy information 
/ Gower Publishing Company Limited 
 - England:  Gower Publishing Company Limited,   1981 
 - 323p. 
<br/><br/> Vol.1 0 566 02198 6 <br/>Vol. 3 0 566 02387 3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Directory 
<br/><br/><label>Subjects--Index Terms: </label>Information centres  
<br/><br/><label>Universal Decimal Class. No.: </label>R 620.91(058.7)  / M1.1