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024 _a38498
037 _cTextual
040 _aCSL
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_cCSL
041 _aeng
082 _aB952, G7
100 _aProctor Mary
245 0 _aComets their nature, origin and place in the science of astronomy
260 _c1937
300 _ap.
_ccm.
650 _a Astronomy
650 _aMathematics
700 _a Crommelin A C D
942 _hB952, G7
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_2CC
999 _c90000
_d90000