Detailed geological and structural researches for clarification of seismic danger level of hydrotechnical buildings (Dniprovsk HES as an example) - Ju. M. Volfman; A. M. Skljar; V. G. Verkhovtsev; V. A. Korolev; Ja. Kolesnikova; A. M. Ostanin (Geophysical journal, 2011)