TY - BOOK AU - Greenberg, Marvin J. AU - Harper, John R. TI - Algebraic Topology: A First Course T2 - Mathematics lecture note series, 58 SN - 9780805335576 U1 - 514.2 PY - 1981/// CY - Cambridge, Mass. PB - Perseus Books, KW - Algebraic topology N1 - Includes Bibliography & Index N2 - Great first book on algebraic topology. Introduces (co)homology through singular theory ER -