00530nam a2200181Ia 4500082001700000100001700017245002700034260004800061300002000109490006000129500000500189690000600194700000500200952009900205964001700304921001000321999001700331  a514bC883.ZZ  aCrabb, M. C.  aZZ/2-homotopy theoryb  aCambridgebCambridge University Pressc1980  aiv, 128p. Index  aLondon Mathematical Society lecture note seriesv v. 44  a  a   a  00104070aISIbISId1998-09-15l0o514 C883.ZZpDP17207r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a11107  c11107d11107