@article{DAN_1990_310_1_a21,
     author = {N. A. Yamnova and D. Yu. Pushcharovskii and A. V. Voloshin},
     title = {Crystal structure of the tuliokite -- a new natural $\mathrm{Na}$, $\mathrm{Ba}$, $\mathrm{Th}$ carbonate},
     journal = {Doklady Akademii Nauk},
     pages = {99--102},
     publisher = {mathdoc},
     volume = {310},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a21/}
}