1. Dimension Theory;Engelking,1978
2. General Topology;Engelking,1989
3. Characterizations of strongly countable-dimensional and locally finite-dimensional spaces;Engelking;Topology Appl.,1992
4. Countable-dimensional spaces: a survey;Engelking;Dissertationes Math.,1983
5. A note on countable-dimensional metric spaces;Nagami,1965