Aarts, Jan M.; Lowen-Colebunders, Eva: On an example of Mary Ellen (Estill) Rudin.
Novák, Josef (ed.): General topology and its relations to modern analysis and algebra IV, Proceedings of the fourth Prague topological symposium, 1976.
Part B: Contributed Papers.
Society of Czechoslovak Mathematicians and Physicist, Praha, 1977.
Aarts, Jan M.: Complementary inductive invariants and dimension.
Novák, J. (ed.): General Topology and its Relations to Modern Analysis and Algebra.
Proceedings of the Third Prague Topological Symposium, 1971.
Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1972.