TY JOUR TI THE TECHNIQUE FOR APPLYING A HIGH FREQUENCY VOLTAGE IN HIGH VOLTAGE DEVICES TO SCARE AWAY SYNANTHROPIC BIRDS KW ferrite core KW high frequency KW trans-former KW high voltage KW sensor system KW electrode JO Bulletin of KSAU AU Elizarov, V.V. AU Surinsky, D.O. PY 2017 IS PB Krasnoyarsk State Agrarian University