000			00348nam a2200145Ia 4500
008			130629s9999 xx 000 0 und d
082			_a511.322 CHA-S
100			_aChatterji, P N
245			_aSet Theory And Numbers
250			_a9
260			_bRajhans Prakashan Mandir _c1980 _aMeerut
300			_a212
650			_aMathematics
942			_cBK
999			_c18272 _d18272