1. Engelking, R.: General Topology. PWN, Warszawa (1977)
2. Hodel, R.E.: Cardinal functions I. In: Kunen, K., Vaughan, J.E. (eds.) Handbook of Set-Theoretic Topology, pp. 1–61. North Holland, Amsterdam (1984)
3. Mardešić, S.: On covering dimension, and inverse limits of compact spaces. Ill. J. Math. 4, 278–291 (1960)
4. Niknejad, J., Tkachuk, V.V., Yengulalp, L.: Polish factorizations, cosmic spaces and domain representability. Bull. Belg. Math. Soc. 25, 1–14 (2018)
5. Tkachuk, V.V.: A $$C_p$$-theory Problem Book. Topological and Function Spaces. Springer, New York (2011)