000			00337nam a2200145Ia 4500
008			221117s9999 xx 000 0 und d
082			_bGUP
100			_aGUPTA, J.B.
245		0	_aGENERATION AND ECONOMIC CONSIDERATION
250			_a2ND
260			_bKATSON, NEW DELHI _c2012
300			_a401
650			_aEconomics
942			_cBK
999			_c212764 _d212764