Shirkov, B., Perestyuk, O. and Kushnir, A. (2015) “Geoelectric studies of the Belgorod-Sumy megablock of the northern slope of the Dnieper-Donets Trough”, Geofizicheskiy Zhurnal, 37(5), pp. 176–182. doi: 10.24028/gzh.0203-3100.v37i5.2015.111163.