1. Connectifying some spaces;Alas;Topology Appl.,1996
2. Remote points;van Douwen;Dissertationes Math.,1981
3. General Topology;Engelking,1989
4. The Sorgenfrey line has no connected compactification;Emeryk;Comment. Math. Univ. Carolin.,1977
5. Intersection theorems for systems of sets;Erdős;J. London Math. Soc.,1960