Paracompact and countably paracompact subsets Aull, C. E. — 1971 General Topology and Its Relations to Modern Analysis and Algebra
Paracompact subsets Aull, C. E. — 1967 General Topology and its Relations to Modern Analysis and Algebra
Some base axioms for topology involving enumerability Aull, C. E. — 1971 General Topology and Its Relations to Modern Analysis and Algebra
Point-countable bases and quasi-developments Aull, C. E. — 1972 General Topology and its Relations to Modern Analysis and Algebra
A certain class of topological spaces C. E. Aull — 1968 Commentationes Mathematicae The article contains no abstract
Sequences in topological spaces C. E. Aull — 1968 Commentationes Mathematicae The article contains no abstract