| 000 | 00512nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230427b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a504(082.2) _bN7 |
||
| 245 |
_a9th international congress & exhibition: _bEnvironment- 21st century theme: _cSustainable development-agenda 21 |
||
| 260 |
_aNew Delhi: _bNational Foundation of Indian engineers _c1997 |
||
| 300 | _a307p. | ||
| 650 | _aScience | ||
| 653 | _aEnvironment b | ||
| 942 |
_2udc _cPR |
||
| 999 |
_c24209 _d24209 |
||