@article{DAN_1961_140_4_a18,
     author = {N. D. Baliasnyi and R. M. Kogan and M. V. Nikiforov and O. S. Renne and Sh. D. Fridman},
     title = {Radioisotopic analysis of rocks and soils from the energy spectrum of $\gamma$-rays in the bottom layer of the atmosphere},
     journal = {Doklady Akademii Nauk},
     pages = {807--810},
     publisher = {mathdoc},
     volume = {140},
     number = {4},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_4_a18/}
}