1. General Topology-Revised and Completed ed.;Engelking,1989
2. Metrizability in Generalized Ordered Spaces;Faber,1974
3. Countable metacompactness of products of LOTS';Hirata;Topol. Appl.,2014
4. Set Theory. The Third Millennium Edition, Revised and Expanded;Jech,2003
5. Normality of products of GO-spaces and cardinals;Kemoto;Topol. Proc.,1993