000 00371nam a2200133Ia 4500
008 140224s9999 xx 000 0 und d
082 _a620.91 1977 L7
245 _aEnergy fact book-1977
260 _aVirginia
_bTetra Tech
_c1977
300 _axvii,vp.
490 _aNational Technical Information Service TT-A-643-77-306
650 _aEnergy Conservation
942 _cBK
999 _c92797
_d92797