| 000 | 00318nam a2200097Ia 4500 | ||
|---|---|---|---|
| 999 |
_c9791 _d9791 |
||
| 100 | _aSundaresan B B | ||
| 245 | _aAir Quality in Selected Cities in India (1978 - 1979) National Air Quality Monitoring Network | ||
| 260 |
_c1980 _bNATIONAL ENVIRONMENTAL ENGG: RESEARCH INSTITUTE _aNagpur |
||
| 300 | _axiii+224 | ||
| 942 | _cREF | ||