Kyrylyuk, V.P. “About the so-Called «Bug Series» of the Middle Bug Region (Ukrainian shield). Article 1. The Evolution of Views and the Composition of the «Bug Series»”. Geofizicheskiy Zhurnal 44, no. 4 (September 25, 2022): 155–170. Accessed July 14, 2024. https://journals.uran.ua/geofizicheskiy/article/view/264846.