000 00356 a2200109 4500
020 _a8174733221
082 _a628.1 WHO
245 _aGuidelines for Drinking-Water Quality [vol 1]
_cWorld Health Organization
250 _a3rd ed.
260 _aNew Delhi :
_bA. I. T. B. S. Publishers and Distributors,
_c2006
300 _axxiii, 515p. :
_bill. ;
_c26 cm
650 _aDrinking Water Quality
999 _c1641
_d1641