| 000 | 00512 a2200193 4500 | ||
|---|---|---|---|
| 020 | _a9241540648 | ||
| 080 |
_a614.72 _bU58O |
||
| 245 | 1 | _aOxides of nitrogen | |
| 250 | _a3rd edn. | ||
| 260 |
_aGeneva _bWorld Health Organization _c1977 |
||
| 650 | _aOxides | ||
| 650 | _aNitrogen | ||
| 700 | _aUnited Nation Environment Programme | ||
| 700 | _aWorld Health Organization | ||
| 100 | _aWorld Health Organization | ||
| 300 | _a79 p. | ||
| 040 | _aIARI, New Delhi | ||
| 901 | _a152962 | ||
| 999 |
_c76470 _d76470 |
||