TY - CPAPER AU - Regina Dashko TI - UNDERGROUND SPACE OF SAINT-PETERSBURG AS A MULTICOMPONENT SYSTEM: ENGINEERING GEOLOGICAL AND GEOTECHNICAL ASPECTS OF ITS DEVELOPMENT T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2015 DO - 10.5593/sgem2015/b12/s2.110 PB - Stef92 Technology ER -