00623naa#a2200205#i#450# EN\\bibl\46921 20240507004355.2 1681-1208 20091225b2009####ek#y0engy0150####ca RU On mathematic formalization of similarity of records of electrical and seismic signals Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2009 5 с. Journal article local Kovalenko M D Gvishiani A D Bogoutdinov Sh R Bernard P Zlotnicki J rjes.ru