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024 _a21986
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB316, L8-;2
100 _aMassey William S
245 0 _cMassey William S
_aHomology and cohomology theory
260 _c1978
300 _ap.
_ccm.
942 _hB316, L8-;2
_cTEXL
_2CC
999 _c97811
_d97811