TY - JOUR AU - D. G. Osika AU - A. B. Megaev AU - T. S. Yankovskaya AU - O. A. Saidov TI - Hydrochemical anomalies, preceding tectonic earthquakes, -- reflection of the conditions of their focal zone formation JO - Doklady Akademii Nauk PY - 1977 SP - 74 EP - 77 VL - 233 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_233_1_a18/ LA - ru ID - DAN_1977_233_1_a18 ER -