Sugak, V., O. A. Ovchinkin, Y. S. Silayev, and A. V. Sugak. “Geo-Radar Method of Revealing Water-Saturated Ground Layers With Evaluation of Their Three-Dimensional Humidity”. Geofizicheskiy Zhurnal, vol. 36, no. 2, Apr. 2014, pp. 127-3, doi:10.24028/gzh.0203-3100.v36i2.2014.116126.