Janicki, A. (2021) “Professor Bogusław Antoni Cygler (b. 1 May 1936, d. 17 December 2020) ”, Gdańsk Yearbook, pp. 352–354. Available at: https://czasopisma.bg.ug.edu.pl/index.php/rocznikgdanski/article/view/7231 (Accessed: 25 August 2024).