00453nam a2200109Ia 4500008004100000082001800041100003400059245013900093260005400232300000600286500005100292260722b        |||||||| |||| 00| 0 eng d  a514bAm512.RP  aAmerican Mathematical Society  aReviews of papers in algebraic and differential topology, topological groups, and homological algebra; classified by N. E. Steenrodb/  aProvidence:bAmerican Mathematical Society,c1968  a   a"As printed in Mathematical Reviews 1940-1967"