000 00485 a2200241 4500
001 289099
020 _a
041 _aeng
080 _aDIGE Comm 1052 : 1978
245 _aConservation of natural gas in pipeline operation system integrity and efficiency
250 _a
260 _aLondon
260 _bIGE
260 _c1978
300 _a15 p.
300 _c
856 _uIGE
490 _aIGE comm 1052 : 1978
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c248816
_d248816