000			00303nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c349
040			_aET
100			_aRai G.D.
245		0	_aEnergy Sources
260			_bKhanna Pub. _aNEW DELHI
300			_a912
500			_a50007
942			_cBK
999			_c56022 _d56022