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024 _a72478
037 _cTextual
040 _aCSL
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_cCSL
041 _aeng
082 _aB32, K13;2
100 _aSawyer W W
245 0 _aWhat is calculus about?
260 _c1961
300 _ap.
_ccm.
650 _aCalculus
942 _hB32, K13;2
_cTEXL
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999 _c35678
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