TY JOUR TI Crimea geomagnetic field: changes in particular components over the period 1900 -2014 KW magnetic field KW coherence KW international model KW Crimea KW Kara-Dag JO Infocommunications and Radio Technologies AU Kurbasova, G.. AU Volvach, A.. PY 2018 IS 1 PB Federal State Educational Institution of Higher Education Sevastopol State University