00462nam a2200145Ia 4500008004100000020001800041082001700059100002200076245004600098250000800144260006000152300003100212490001700243500005600260260313b        |||||||| |||| 00| 0 eng d  a9780387245270  a514bR848.IH  aRotman, Joseph J.  aAn introduction to homological algebrab/  a2nd  aNew York:bSpringer Science+Business Media, Inc.,c2009  axiv, 709p., Biblio. Index.  aUniversitext  a"Purchased under NBHM grant for the year 2008-2009"