1. Diskrete Räume;Alexandroff;Mat. Sb.,1937
2. Théorie des topos et cohomologie étale des schémas;Artin,1972
3. Continuous Lattices;Banaschewski,1981
4. The total negation of a topological property;Bankston;Illinois J. Math.,1979
5. Maximal and minimal topologies;Cameron;Trans. Amer. Math. Soc.,1971