000 00436pam a2200169a 44500
008 160408b1998 xxu||||| |||| 00| 0 eng d
082 _a628.162
_bG941D2
100 _a
245 1 _aGUIDELINES FOR DRINKING WATER QUALITY
250 _a2nd
260 _a
_bWorld Health Organization,Geneva
_c1998
650 _aDrinking Water
650 _aWater Quality
650 _aWater--Purification
964 _gCIRC
997 _aA126513 C
999 _c330430
_d330430