[1]
Lyubashits, V.Y., Razuvaev, N.V., Mamychev, A.Y., Shestopal, S.S. and I., B.V. 2018. Signs of State and Their Historical Modifications. Journal of History Culture and Art Research. 7, 3 (Sep. 2018), 175-186. DOI:https://doi.org/10.7596/taksad.v7i3.1746.