Bibliography:Separation axioms
From Knowino
- Franz, Wolfgang (1967), General Topology, Harrap
- Hocking, John G. & Gail S. Young (1988), Topology, Dover Publications, ISBN 0-486-65676-4
- J.L. Kelley (1955), General topology, van Nostrand
- Patterson, E.M. (1956), Topology, Oliver and Boyd
- Steen, Lynn Arthur & J. Arthur Jr. Seebach (1978), Counterexamples in Topology, Berlin, New York: Springer-Verlag, ISBN 0-387-90312-7
