1. E.K. van Douwen, The integers and topology, in: K. Kunen, J.E. Vaughan, (Eds.), Handbook of Set-Theoretic Topology, Chapter 3, pp. 111–167
2. More set-theory for topologists;Dow;Topology Appl.,1995
3. On functions preserving almost radiality and their relations to radial and pseudoradial spaces;Dimov;Comm. Math. Univ. Carolin.,1987
4. Some notes on weakly Whyburn spaces;Obersnel;Topology Appl.,2003
5. Corrigendum to “Some notes on weakly Whyburn spaces” [Topology Appl. 128 (2003) 257–262];Obersnel;Topology Appl.,2004