00635nam a2200169 4500 0015238 20260608202942.0 260224s2010 dcu 665.74 A259 0015238 Natural gas: what you should know The natural gas delivery system ; Natural gas prices ; Environmental and efficiency issues ; Gas industry regulation and restructuring ; How utility rates are set ; Safe delivery, safe use Washington American Gas Association, AGA 2010 17/11/2011 ; 17/11/2011 6 vol. LIBRO 186502 186502 0 0 0 0 254321 BAAB BAAB 665.74 A259 0015238 2026-03-06 200058595 0 665.74 A259 0015238 200058595 2026-03-06 00:11:55 2026-03-06 Libro