Buch(elektronisch)#119793 Versionen verfügbarThe gas situation in the ECE region around the year 1990: proceedings of an international symposium of the Committee on Gas of the Economic Commission for Europe, held in Evian, France, at the invitation of the Government of France, 2-5 October 1978Symposium on the Gas Situation in the ECE Region Around the Year 1990; United Nations / Economic Commission for EuropeSymposium on the Gas Situation in the ECE Region Around the Year 1990; United Nations / Economic Commission for Europe