TY JOUR TI North-south asymmetry of ultra-low-frequency oscillations of Earth’s electromagnetic field KW magnetosphere KW solar wind KW geomagnetic pulsations KW interplanetary magnetic field KW Antarctica JO Solnechno-Zemnaya Fizika AU Guglielmi, A.V. AU Klain, B.I. AU Potapov, A.S. PY 2017 IS 3 PB INFRA-M Academic Publishing LLC.