@article{DAN_1973_208_5_a18,
     author = {I. M. Pudovkin and M. M. Pogrebnikov and V. I. Pochtarev and G. R. Bekzhanov},
     title = {On the direct relation between geomagnetic variations and earthquakes},
     journal = {Doklady Akademii Nauk},
     pages = {1074--1077},
     publisher = {mathdoc},
     volume = {208},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_208_5_a18/}
}