1. U. Abraham, S. Shelah. Lusin sequences under CH and under Martin’s axiom. Fund. Math. 169 (2001), 97–103.
2. P. Alexandroff, P. Urysohn. Mémoire sur les espaces topologiques compacts. Verh. Akad. Wetensch. Amsterdam 14 (1926) 1–96.
3. M. Arciga-Alejandre. Extensiones continuas sobre espacios de Isbell-Mrówka, Master’s Thesis, Universidad Michoacana de San Nicolás de Hidalgo, Mexico (2007).
4. M. Arciga-Alejandre, M. Hrušák, C. Martínez-Ranero. Invariance properties of almost disjoint families. J. Symbolic Logic 78 (2013), 989–999.
5. A. V. Arhangel’skii, R. Z. Buzyakova. The rank of the diagonal and submetrizability. Comment. Math. Univ. Carolin. 47 (2006), 585–597.