00383nam a2200121Ia 4500008004100000020001800041082001700059100002300076245005100099260002800150300002700178500005600205260722b        |||||||| |||| 00| 0 eng d  a9780486462394  a514bW187.AT  aWallace, Andrew H.  aAlgebraic topologyb: homology and chomology /  aNew York:bDover,c2007  aix, 272p. Bibl. Index.  a"Purchased under NBHM grant for the year 2007-2008"