| 000 | 00347nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 210804s1974||||xx |||||||||||||| ||und|| | ||
| 041 | _aeng | ||
| 245 | 0 |
_aHealth aspects of environmenatal pollution controll _bplanning and implementation of national programmes |
|
| 260 |
_aGeneva _bWorl health organisation (who) _c1974 |
||
| 300 | _a57 | ||
| 942 | _cBK | ||
| 999 |
_c12559 _d12559 |
||