Chinn, W.G. First concepts of topology: the geometry of mappings of segments, curves, circles and disks W.G. Chinn and N.E. Steenrod - New York: Random House, 1966 - 158 p. 23 cm - New Mathematical Library . Solutii p. 137Index p. 159 eng Subjects--Topical Terms: Topology Dewey Class. No.: 514