000 00464 a2200181 4500
003 ISURu
020 _a9241544600
041 _aeng
082 _a615.92522
_bG83
090 _d145749
245 _aGuidelines for drinking-water quality, Volume 1
_brecommendations
250 _a2nd ed.
260 _aGeneva
_bWHO
_c1993
_g1993
300 _ax, 188 P.
_bill
650 0 _aDRINKING WATER - STANDARDS
_9161163
942 _cPR
999 _c116954
_d145749
945 _dMain Library ADMIN
_c26318