| 000 | 00478nam a2200181Ia 4500 | ||
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| 008 | 230515s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a8172361645 | ||
| 040 | _aMAIN | ||
| 041 | _aEnglish | ||
| 082 |
_a530.4275 _bRAY N7 |
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| 100 | _aRay, Hem Shanker | ||
| 245 | 0 |
_aBubble bubble _cHem Shanker Ray |
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| 260 |
_aNew Delhi _bNational Institution of Science communication (CSRA) _c1997 |
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| 300 | _a68 | ||
| 440 | _aSCI- fun title No; 4 | ||
| 650 | _aPhysics | ||
| 942 | _cBK | ||
| 999 |
_c12720 _d12720 |
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