@article{DAN_1989_306_4_a13,
     author = {M. V. Kasyan and V. A. Robsman and G. N. Nikogosyan},
     title = {Changes in emission signal spectra during the development of cracks and distraction of rocks},
     journal = {Doklady Akademii Nauk},
     pages = {826--830},
     publisher = {mathdoc},
     volume = {306},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_306_4_a13/}
}