Nazir Ahmad Ahengar, J. K. Maitra, Sujeet Chaturvedi, and Roshani Sharma. “μ-Binary Topological Space (μBTS)”. Journal of International Academy of Physical Sciences, vol. 23, no. 1, Mar. 2019, pp. 61-69, https://www.iaps.org.in/journal/index.php/journaliaps/article/view/148.