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| 040 | _cJayakar Knowledge Resource Centre | ||
| 100 | _aChisnall, G A | ||
| 245 | 0 | _aAstronomy and spaceflight | |
| 260 |
_bGEORGE ALLEN AND UNWIN LIMITED _aLONDON _c1950 |
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| 300 | _a227 p p. | ||
| 653 | _aMATHEMATICS | ||
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