000			00361nam a2200157Ia 4500
008			230516s9999 xx 000 0 und d
041			_aeng
082			_a615 _bWHO
100			_aWHO
245			_aGUIDELINES FOR DRINKING WATER QUALITY
260			_bCBS PUBLISHERS & DISTRIBUTORS
300			_a118
365			_h20%
520			_aREF
650			_aREFERENCE
999			_c364517 _d364517