Orlyuk, M. and Romenets, A. 2018. Spatialtemporal perturbation of the geomagnetic field of certain territories in the northern and southern hemispheres of the Earth . Reports of the National Academy of Sciences of Ukraine. 10 (Oct. 2018), 64–71. DOI:https://doi.org/10.15407/dopovidi2018.10.064.