@article{DAN_1977_233_1_a18,
     author = {D. G. Osika and A. B. Megaev and T. S. Yankovskaya and O. A. Saidov},
     title = {Hydrochemical anomalies, preceding tectonic earthquakes, {\textendash} reflection of the conditions of their focal zone formation},
     journal = {Doklady Akademii Nauk},
     pages = {74--77},
     year = {1977},
     volume = {233},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_233_1_a18/}
}