Annual bulletin of general energy statistics for Europe 1969 : Vol. 2 / United Nations. Economic Commission for Europe. Power resources HD9555.A1 U42 UN5 EE23 .E57 .EFR 621 UNA New York : United Nations, 1971. 1971. 1971 Text Collection v. ; eng eng fre rus English, French and Russian. Annual bulletin of general energy statistics for Europe Annual bulletin of general energy statistics for Europe