| 000 | 00357nam a2200133Ia 4500 | ||
|---|---|---|---|
| 100 | _aWorld Health Organization | ||
| 020 | _a92 4 154460 0 | ||
| 250 | _a2nd ed | ||
| 942 | _cBK | ||
| 245 | _aGuidelines for drinking - water quality vol 1 recommendations | ||
| 260 |
_aWorld Health Organization, Geneva _c1993 |
||
| 082 | _a614.772 W.H.O. | ||
| 300 | _ax,188p | ||
| 999 |
_c32242 _d32242 |
||