| 000 | 00419nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230605b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a614.7:628.1/5 _bL9 |
||
| 100 |
_aSeth, G K _910879 |
||
| 245 | _aKnow your environment | ||
| 260 |
_aNew Delhi: _bNational Publishing House, _c1979 |
||
| 300 | _axii, 75p. | ||
| 650 | _aScience | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c39300 _d39300 |
||