000 00510cam a2200193 a 4500
020 _a9241544600 (v.1) :
040 _cDLC
082 0 0 _a363 WOR 1993 C153 Or.
110 2 _aWorld Health Organization
245 1 0 _aGuidelines for drinking-water quality
250 _a2nd ed
260 _aGeneva :
_bThe Organization,
_c1993-
300 _a3 v. ;
_c24 cm
500 _aUpdated periodically by addenda
650 0 _aDrinking water
650 2 _aWater Supply
650 2 _aWater Pollution
942 _cAEDBB
999 _c18849
_d18849