000 003110000a22001210004500
008 140223b1977 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:ANNUAL
245 _aANNUAL BULLETIN OF GAS STATISTICS FOR EUROPE VOL23:1977
260 _aGENEVA
_bUN:ECE
_c1977
650 _a
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906 _a:UN:ECE
999 _c142010
_d142010