TY - CPAPER AU - Sergey Kirillov TI - THE PROBLEMS OF ESTIMATION AND PRESERVATION OF NATURAL LANDSCAPES IN THE RUSSIAN FEDERATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s20.v5130 PB - Stef92 Technology ER -