| 000 | 00436nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230427b |||||||| |||| 00| 0 eng d | ||
| 020 | _a81-85167-85-0 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a502.3/.7 _bN3 |
||
| 100 |
_aAgarwal, S K _97621 |
||
| 245 | _aEnvironmental protection | ||
| 260 |
_aDelhi: _bHimanshu Publications, _c1993 |
||
| 300 | _a131p. | ||
| 650 | _aScience | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c24011 _d24011 |
||