Crossley, Martin D. Essential Topology [electronic resource] / by Martin D. Crossley. - London : Springer-Verlag London Limited, 2005. - ix, 224 p. : ill., digital ; 24 cm. - Springer Undergraduate Mathematics Series, 1615-2085 . ISBN: 9781846281945 (electronic bk.) 9781852337827 (paper) Subjects--Topical Terms: Topology--Textbooks.Mathematics.Topology.Algebraic Topology. LC Class. No.: QA611 / .C767 2005 Dewey Class. No.: 514