TY JOUR TI Geoecological Aspects of Maintenance of Electromagnetic Safety of the Population in Case of Urban Environment (on the Example of St. Petersburg) KW emergency situation KW safety of the population KW electromagnetic safety KW electric fields KW magnetic fields KW intensity KW magnetic induction KW St.Petersburg. JO Safety in Technosphere AU Sturman, V.I. AU Panihidnikov, S.A. PY 2017 IS 6 PB INFRA-M Academic Publishing LLC.