TY - JOUR AU - V. F. Gordeev AU - V. A. Krutikov AU - S. Yu. Malyshkov AU - V. I. Polivach TI - Seasonal variations of frequency parameters of earth's natural pulsed electromagnetic field JO - Vestnik KRAUNC. Fiziko-matematičeskie nauki PY - 2020 SP - 199 EP - 208 VL - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VKAM_2020_33_4_a16/ LA - ru ID - VKAM_2020_33_4_a16 ER -