000 00414nam a2200145Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a614.772
_bW927I
110 _aWorld Health Organisation (Geneva)
245 0 _aInternational standards for drinking-Water
260 _aGeneva
_bWHO
_c1958
300 _a152p.
650 _aDrinking water-Standards; Fresh Water
942 _cBKS
999 _c22287
_d22287