TY JOUR TI ESTIMATION OF THE IMPACT OF NATURAL AND ANTHROPOGENIC RISKS ON THE CRYOLITHOZONE FOR CONSTRUCTION OF BUILDINGS AND CONSTRUCTIONS IN THE ARCTIC REGION KW natural and anthropogenic risks KW cryolithozone KW logic-linguistic model KW expert knowledge JO Problems of risk management in the technosphere AU Tilichko, Y.N. AU Spesivtsev, A.V. AU Vagin, A.V. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia