| 000 | 00414nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 220901s1992 xx 000 0 eng d | ||
| 020 | _a8171692206 | ||
| 082 | _a363.7392 N21 | ||
| 100 | _aSethi, M S | ||
| 245 | _aGlobal air pollution: problems for the future | ||
| 260 |
_aNew Delhi _bCommonwealth Publishers _c1992 |
||
| 650 |
_aAir pollution _9531 |
||
| 650 |
_aEnvrionmental protection _95959 |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c8929 _d8929 |
||