000			00336nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.80E+12
082			_a621
082			_b8 BAN
100			_a"Bansal, R.K."
245		2	_aA Textbook of Theory of
260			_aNew Delhi
260			_bLaxmi
260			_c2004
300			_a1089
999			_c46254 _d46254