@article{DAN_1963_153_4_a22,
     author = {R. G. Grebenshchikov and N. A. Toropov and V. I. Shitova},
     title = {The crystal phases of barium oxide~{\textendash} germanium dioxide system},
     journal = {Doklady Akademii Nauk},
     pages = {842--844},
     year = {1963},
     volume = {153},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_153_4_a22/}
}