Entin, V.A., M.I. Orlyuk, S. I. Guskov, A. V. Fedorov, V. N. Pavlyuk, and V. V. Drukarenko. 2013. “Geophysical Aspects of the Structure and Genesis of the Ilyinets Structure: Impact or Volcano?”. Geofizicheskiy Zhurnal 35 (1):100-112. https://doi.org/10.24028/gzh.0203-3100.v35i1.2013.116336.