Chinn, William G. First concepts of topology: the geometry of mappings of segments, curves, circles, and disks, by W. G. Chinn and N. E. Steenrod. - [New York] Random House [1966] - New mathematical library, 18 . Bibliography: p. 135. LCCN: 66020367 //r89 Subjects--Topical Terms: Topology. LC Class. No.: QA611 / .C42 Dewey Class. No.: 513/.83