| 000 | 00443nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 160509s9999 xx 000 0 und d | ||
| 100 | _aWorld Health Organization | ||
| 245 | _aGuidelines for Drinking-water Quality: surveillance and control of community suppliesWorld Health Organization | ||
| 250 | _a2nd Ed. | ||
| 260 |
_bWorld Health Organization _c1997 |
||
| 300 | _a238p. | ||
| 650 | _aGuidelines for Drinking-water Quality: surveillance and | ||
| 999 |
_c10694 _d10694 |
||