00734nas 2200241 a 450 991014722340332120130123113108.0(OCoLC)37810513(CKB)1000000000297440(CONSER)sn 97028207 (EXLCZ)99100000000029744019971020b19uu2002 sa enguran||||||Propane watch[electronic resource][Washington, D.C.] US Dept. of Energy, Energy Information AdministrationPropaneStatisticsPeriodicalsPropaneUnited States.Energy Information Administration.JOURNAL9910147223403321Propane watch2784568UNINA