| 000 | 00424nam a2200133Ia 4500 | ||
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| 005 | 20251022063927.0 | ||
| 008 | 251022s9999||||xx |||||||||||||| ||und|| | ||
| 035 | _a3320 | ||
| 100 | _aWorld health organization | ||
| 245 | 0 | _aGuideline for drinking water quality:Vol.3 drinking-water quality control in small-community supplies | |
| 260 |
_bWorld health organization _c1985 |
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| 650 | _aC-21:General and Fiction | ||
| 942 | _cBK | ||
| 999 |
_c6806 _d6806 |
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