Natalia Vikhrova (2019). THE BOOKMARK OF THE DEVELOPED SPACE AS THE TOOL OF PROTECTION OF ENVIRONMENT FROM TECHNOGENIC IMPACT OF UNDERGROUND WORKS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation, 765-770. https://doi.org/10.5593/sgem2019/5.3/s21.096