| 000 | 00398cam a2200145ua 4500 | ||
|---|---|---|---|
| 999 |
_c328901 _d328901 |
||
| 003 | OSt | ||
| 008 | 191023b ||||| |||| 00| 0 eng d | ||
| 082 |
_a628 _bWHO/EX |
||
| 100 |
_a, . _94397 |
||
| 245 | 0 | 0 | _aExpert Committee on Environmental Sanitation / |
| 260 |
_aGeneva : _bWorld Health Organisation , _c1950. |
||
| 300 | _a36 ; . | ||
| 490 | 0 | _aWHO Technical Report series , | |
| 942 | _cBK | ||