@article{DAN_1977_237_3_a17,
     author = {M. A. Simonov and P. A. Sandomirskii and Yu. K. Egorov-Tismenko and N. V. Belov},
     title = {Crystal structure of willemite, $\mathrm{Zn}_2[\mathrm{SiO}_4]$},
     journal = {Doklady Akademii Nauk},
     pages = {581--584},
     publisher = {mathdoc},
     volume = {237},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_237_3_a17/}
}