LOGVINOV, Victor. From “Green Building” to Architecture Integrated with Nature. The Principle of Using Forms. Part 2. project baikal, Russian Federation, n. 55, p. 156-163, apr. 2018. ISSN 2309-3072. Available at: <http://www.projectbaikal.com/index.php/pb/article/view/1310>. Date accessed: 21 aug. 2019. doi: https://doi.org/10.7480/projectbaikal.55.1310.