TOVMASYAN, Eduard. The City and Nature. project baikal, Russian Federation, n. 49, p. 82-84, aug. 2016. ISSN 2309-3072. Available at: <http://projectbaikal.com/index.php/pb/article/view/1053>. Date accessed: 22 may 2019. doi: https://doi.org/10.7480/projectbaikal.49.1053.