Authors
lemenkovapolina@stu.ouc.edu.cn
Ocean University of China, College of Marine Geo-sciences, Qingdao, China
lemenkovapolina@stu.ouc.edu.cn
© 2020 Polina Lemenkova, published by Polish Geographical Society
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.