@article{DAN_1991_317_4_a23,
     author = {I. I. Kalinnikov},
     title = {Horizontal torsion balance: a seismoreciever with multilobe directional pattern},
     journal = {Doklady Akademii Nauk},
     pages = {868--872},
     year = {1991},
     volume = {317},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_4_a23/}
}