1. Normal Topological Spaces;Alo,1974
2. On stratifiable spaces;Borges;Pac. J. Math.,1966
3. On monotonic generalizations of Moore spaces, Čech complete spaces and p-spaces;Chaber;Fundam. Math.,1974
4. Concerning semi-stratifiable spaces;Creede;Pac. J. Math.,1970
5. General Topology;Engelking,1989