000 | 00421 a2200169 4500 | ||
---|---|---|---|
020 | _a9241544600 | ||
082 |
_a572.539 _bGUI |
||
090 |
_c20401 _d31651 |
||
245 |
_aGuidelines for drinking-water quality _brecommendations |
||
250 | _a2nd ed. | ||
260 |
_aGeneva _bWorld Health Organization _c1993 _g1993 |
||
300 |
_aix,188p. _c24cm |
||
650 | _aBiochemistry | ||
650 | _aWater | ||
650 | _aOxygen | ||
942 | _cL | ||
999 |
_c48027 _d48027 |