000			00335nam a2200157Ia 4500
020			_aNULL
082			_a517.3
100			_aWilliamson, B.
245		0	_aElementary Treatise On The Integral Calculus
250			_a-
260			_aLondon _bLongmans, Green & Co. Ltd.
300			_a520
500			_a0
650			_aNA
942			_cBK
999			_c24339 _d24339