Petroleum exploration strategies in developing countries :  proceedings of a United Nations meeting held in The Hague 16-20 March 1981 / 
United Nations. Natural Resources and Energy Division. Dept. of Technical Co-operation for Development. 
 - London :  Graham and Trotman,  Jan.1982. 
 - [240] p. :  24 cm. 
<br/><br/> Recommended text : DPE 159 (Mining) 
<br/><br/><label>ISBN: </label>0860103463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade--Developing countries.<br/>Natural gas--Underdeveloped areas.