Д. В. Безгодова. "FEATURES OF DEVELOPMENT AND DISTRIBUTION OF UPPER DEVONIAN (FRASNIAN) BRACHIOPODS THEODOSSIA NALIVKIN." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining, 2019, pp. 179-186. https://doi.org/10.5593/sgem2019/1.1/s01.022