000			00314 a2200109 4500
008			180626b xxu||||| |||| 00| 0 eng d
100			_9APHA
245			_aStandred Methods for the Examination of water and weast water.2nd ed. _cAPHA
260			_aAmerican Public Health Association
300			_a816
942			_2ddc _cBK
999			_c6317 _d6317