Bezdudny, V. G., Volkov, I. V., Marchuk, V. N., & Sitdikov, A. G. (2018). COMPLEX GEOPHYSICAL EXPLORATION OF BOLGARY SITE IN 2014–2017. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), (5), 101–107. Retrieved from https://www.evrazstep.ru/index.php/aes/article/view/391