000			00326nam a2200133Ia 4500
008			150201s2004 xx 000 0 und d
082			_a614 _bW04W
100			_aWHO
245			_aWATER QUALITY GUIDELINES ,STANDARDS ,HEALTH
250			_a1ST
260			_bAITBS _aDELHI _c2004
650			_aCOMMUNITY MEDICINE
942			_2ddc _cBK
999			_c1196 _d1196