Szarek, Łukasz, and Zbigniew Kledyński. “Censored Random Variable As a Form of Coping With Missing Data in Studying the Leachability of Heavy Metals from Hardening Slurries”. Archives of Civil Engineering, vol. 67, no. 1, Mar. 2021, pp. 233-47, doi:10.24425/ace.2021.136471.