Kutniy, A.M., Pavlik, V.G., Bulatsen, V. і Babich, T.M. 2011. The results of long-term nahilomirnih observations in the salt mine of Soledar (possible resonant effect of the liquid core of the Earth). Геофізичний журнал. 33, 5 (Жов 2011), 115–119. DOI:https://doi.org/10.24028/gzh.0203-3100.v33i5.2011.116871.