| 000 | 00507 a2200169 4500 | ||
|---|---|---|---|
| 001 | 132537 | ||
| 003 | OSt | ||
| 005 | 20220112113347.0 | ||
| 008 | |||
| 082 |
_a363.7392 _bC33N |
||
| 110 | _aCentral Pollution Control Board | ||
| 245 | 1 |
_aNational ambient air quality status 2001 _cby Central Pollution Control Board |
|
| 260 |
_aDelhi _bCPCB _c2003 |
||
| 300 | _a157p. | ||
| 690 | _aAir--Pollution; Air quality; Nitrogen dioxide--Environmental aspects | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c6897 _d6897 |
||