000			00308nam a2200133Ia 4500
008			170912s9999 xx 000 0 und d
082			_a511.32 KUM/S
100			_aKUMARAVELU S
100			_aSUSHEELA KUMARAVELU
245		0	_aSET THEORY AND NUMBER SYSTEM
261			_c2000
300			_a259
942			_cTB
999			_c38418 _d38418