000 00482 a2200241 4500
001 307394
020 _a
041 _aeng
080 _aDIGE Comm No. - 882 : 1972
245 _aOptimum pressure control in gas networks for the reduction of losses
250 _a
260 _aLondon
260 _bIGE
260 _c1972
300 _a26 p.
300 _c
856 _uIGE
490 _aIGE Comm No. - 882 : 1972
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c255553
_d255553