000 00359nam a2200121 4500
008 230706b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aEuropean standards for drinking-water
250 _a2nd ed.
260 _aGeneva:
_bWorld Health Organization,
_c1970
300 _a58p.
942 _2udc
_cREF
999 _c49872
_d49872