000			00392nam a2200133Ia 4500
008			140215s9999 xx 000 0 und d
084			_aL:555 _bNOR;1946
100			_aNorton, J F.
245			_aStandard Methods for The Examination of Water and Sewage / _b
260			_bAmerican Public Health Association Inc, , _aNew York : _c1946
300			_a286p :
650			_aHygiene
942			_2cc _cBK
999			_c10258 _d10258