| 000 | 00505nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230703b |||||||| |||| 00| 0 eng d | ||
| 020 | _a81-7055-197-8 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a52 _bP3 |
||
| 245 | _a 21वीं सदी का विज्ञान, खगोल विज्ञान | ||
| 246 | _a21 vin sdee ka vignan khagol vignan | ||
| 260 |
_aDelhi: _bVani Prakashan, _c2003 |
||
| 300 | _a215p. | ||
| 650 | _aScience | ||
| 942 |
_2udc _cHBK |
||
| 999 |
_c48822 _d48822 |
||