000 00512nam a22001937a 4500
003 OSt
005 20210914104435.0
008 210914b ||||| |||| 00| 0 eng d
020 _a8174733221
040 _cATU
050 _aTD 215
_b .W 62 2011
100 _aWorld Health Organisation
_919010
245 _aGuidelines for Drinking- Water Quality
250 _a3rd. ed.
260 _aDelhi
_bA.I.T.B.S Publisher & Distribution
300 _a ill.; 515 p.;
504 _aInclude index
942 _2lcc
_cBOOK
999 _c10981
_d10981