1. Sharp bases and weakly uniform bases versus point-countable bases;Arhangel'skii;Topology Appl.,2000
2. Strongly almost disjoint sets and weakly uniform bases;Balogh;Trans. ACM,2000
3. On a theorem of Peregudov;Burke;Topology Proc.,1983
4. On point-countable collections and monotonic properties;Chaber;Fund. Math.,1977
5. Generalized metric spaces;Gruenhage,1984