| 000 | 00341cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1992 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a81 7178 273 6 | ||
| 100 | _aVastva, Harinarayan Sri | ||
| 245 |
_aVayu pradushan _cby Harinarayan Sri Vastva |
||
| 260 |
_aNew Delhi _bRajkamal Prakashan _c1992 |
||
| 300 | _a166p. | ||
| 650 | _aAir pollution | ||
| 999 |
_c439399 _d439399 |
||