| 000 | 00394nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aWorld Health Organization & SEARO Regional Health Papers No.4 | ||
| 020 | _a92 9022 173 9 | ||
| 942 | _cBK | ||
| 245 |
_aLow-cost water supply and sanitation technology _bpollution and health problems |
||
| 260 |
_aWorld Health Organization, New Delhi _c1984 |
||
| 082 | _a614.772 W.H.O./SEARO | ||
| 300 | _av,40 | ||
| 999 |
_c67209 _d67209 |
||