000 00525nam a2200217Ia 4500
003 OSt
005 20220928140013.0
006 a|||||r|||| 00| 0
007 ta
008 220927b |||||||| |||| 00| 0 eng d
024 _a6007
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aB25, M0
100 _aMassey William S
_9371006
245 0 _cMassey William S
_aSingular homology theory
260 _c1980
942 _hB25, M0
_cTEXL
_2CC
999 _c809376
_d809376