Beyda, Oleg, and Igor Petrov. “Rites of Janus: The Educated Life and Crimes of Dr. Hans Beutelspacher”. Metode Science Studies Journal, no. 14 (July 26, 2023): 166–177. Accessed December 11, 2024. https://turia.uv.es/index.php/Metode/article/view/26228.