| 000 | 00531nam a2200205Ia 4500 | ||
|---|---|---|---|
| 008 | 180116s2003 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a92 4 154580 1 | ||
| 082 |
_aWA820 _bWHO |
||
| 100 | _a World Health Organization | ||
| 245 |
_aGuidelines for safe recreational water environments _b |
||
| 250 | _a | ||
| 260 |
_aGeneva _bW H O _c2003 |
||
| 300 |
_a219 p. _b26 cm. |
||
| 440 |
_a _v |
||
| 500 | _a | ||
| 520 | _a Water Quality, Swimming Pools | ||
| 650 | _aSwimming Pools | ||
| 650 | _aWater Quality | ||
| 906 |
_a505 _b _c |
||
| 999 |
_c26846 _d26846 |
||