000 00285pab a2200133 454500
008 180718b1989 xxu||||| |||| 00| 0 eng d
245 _aFocus on energy
260 _c1989
300 _a27-50
362 _a26 Aug.
650 _aEnergy Resources
773 _aMainstream
909 _a7527
999 _c7527
_d7527