VYRAZHEIKIN, Vladimir. Problems of Urban Formation in Irkutsk. project baikal, Russian Federation, n. 28, p. 128-129, may 2011. ISSN 2309-3072. Available at: <http://projectbaikal.com/index.php/pb/article/view/423>. Date accessed: 10 apr. 2020. doi: https://doi.org/10.7480/projectbaikal.28.423.