[1]
Semenov, V.Y. and Petrishchev, M.S. 2012. Variability of averaged annual impedances of the Earth and their spatial gradients in Europe. Geofizicheskiy Zhurnal. 34, 4 (Aug. 2012), 245–252. DOI:https://doi.org/10.24028/gzh.0203-3100.v34i4.2012.116778.