@article{DAN_1997_353_4_a14,
     author = {G. N. Petrova and V. G. Bakhmutov and K. S. Burakov and E. Yu. Didenko},
     title = {Geomagnetic field variation of torsion class 12-9 thousand years ago},
     journal = {Doklady Akademii Nauk},
     pages = {539--541},
     publisher = {mathdoc},
     volume = {353},
     number = {4},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_4_a14/}
}