“Extreme Criminal Penalties - Death Penalty and Life Imprisonment in the Polish Penal and Penitentiary System: Skrajne Kary Kryminalne – Kara śmierci I dożywotniego więzienia W Polskim Systemie Karnym I Penitencjarnym”. Archives of Criminology, no. XLII/1, Feb. 2023, pp. 225-52, https://doi.org/10.7420/AK2020F.