TY JOUR TI Overhead and Underground Power Lines’ Magnetic Fields: Rationing, Calculation, Design KW overhead and underground power lines KW magnetic field KW maximum permissible levels KW elliptic polarization, sanitary gap KW security zone. JO Safety in Technosphere AU Ryabchenko, V.. AU Rubtsova, N.B. AU Zimin, K.. AU Abdurakhmanov, A.. AU Tokarskiy, A.. PY 2014 IS 3 PB INFRA-M Academic Publishing LLC.