| 000 | 00322nam a2200109Ia 4500 | ||
|---|---|---|---|
| 100 | _aWorld Health Organization | ||
| 942 | _cBK | ||
| 245 | _aGuidelines for drinking - water quality vol 1 recommendations | ||
| 260 |
_aCBS Publishers & Distributors Pvt. Ltd., New Delhi _c1991 |
||
| 082 | _a614.772 W.H.O. | ||
| 300 | _axi,130p | ||
| 999 |
_c60580 _d60580 |
||