@article{DAN_1980_251_5_a17,
     author = {V. M. Popov},
     title = {Horizontal torsion balance as a seismic field sensor},
     journal = {Doklady Akademii Nauk},
     pages = {1096--1097},
     year = {1980},
     volume = {251},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_5_a17/}
}