| 000 | 00323nam a2200097Ia 4500 | ||
|---|---|---|---|
| 999 |
_c9792 _d9792 |
||
| 100 | _aSundaresan B B | ||
| 245 | _aAir Quality in Selected Cities in India (1980-1981) National Air Quality Monitoring Network | ||
| 260 |
_c1983 _bNATIONAL ENVIRONMENTAL ENGG: RESEARCH INSTITUTE, NAGPUR _aNagpur |
||
| 300 | _axvii+250 | ||
| 942 | _cREF | ||