00507nam a2200169Ia 4500082001800000100002100018245007600039260004800115300001400163500000500177690000600182700000500188952010000193964001700293921001000310999001700320  a512bSt924.IC  aStrooker, Jan R.  aIntroduction to categories, homological algebras and sheaf cohomologyb  aCambridgebCambridge University Pressc1978  aix, 246p.  a  a   a  00104070aISIbISId1998-09-14l0o512 St924.ICpDP15014r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a10524  c10524d10524