000 00304nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c315/-
040 _aET
100 _aRAI G.D
245 0 _aENERGY SOURCES
260 _bKHANNA PUB.
_aNEW DELHI
300 _a912
500 _a32666
942 _cBK
999 _c38681
_d38681