000			00299nam a2200133Ia 4500
008			150614s9999 xx 000 0 und d
100			_aO P GUPTA, PUBLISHER
245			_aMAT
250			_a1ST ED
260			_bRAMESH PUBLISHING _c2013
300			_a712
650			_aMAT O P GUPTA
942			_cBK
999			_c19071 _d19071