United nations.natural resources and energy division
Petroleum exploration strategies in developing countries : Proceeding of a united nations meeting in the hague 16-20 march 1981 / United nations.natural resources and energy division - London Graham & Trotman Ltd. 1982 - xxviii, 272p ill. 25 cm.
0860103463
Underdeveloped areas --Petroleum industry and trade - congresses
Gas natural --Underdeveloped areas - congresses
333.7 / UNI
Petroleum exploration strategies in developing countries : Proceeding of a united nations meeting in the hague 16-20 march 1981 / United nations.natural resources and energy division - London Graham & Trotman Ltd. 1982 - xxviii, 272p ill. 25 cm.
0860103463
Underdeveloped areas --Petroleum industry and trade - congresses
Gas natural --Underdeveloped areas - congresses
333.7 / UNI