Discovering the Fourth Katyń Cemetery at Bykownia: An Interview with Prof. Andrzej Kola, Professor Emeritus at Uniwersytet Mikołaj Kopernik (UMK), Toruń, Poland (Zakład Archeologii Podwodnej) Regarding His Leadership of the Polish Government Sponsored Exhumations at Bykownia Between 2001-12 (Wednesday 23 February 2022) and the Fate of my Great-grandfather Major Rudolf Wizimirski (1883-1940). Studia Historyczne, v. 63, n. 2(250), p. 73–90, 12 sty.2024.