Mokhovikov, S., L. Alekseenko, M. Knyazeva, I. Murog, and O. Larina. “Studies of Cultural Heritage Sites of Federal Significance”. Amazonia Investiga, Vol. 8, no. 21, Aug. 2019, pp. 296-0, https://www.amazoniainvestiga.info/index.php/amazonia/article/view/106.