Dokl. Akad. Nauk SSSR, 1980 Volume 251, Number 5,Pages 1122–1123(Mi dan43514)
CRYSTALLOGRAPHY
On the crystal structures of calciborite, $\mathrm{Ca}_2[\mathrm{BO}_3\mathrm{BO}]_2$, and synthetic calcium boroaluminate,
$2\mathrm{CaAl}[\mathrm{BO}_3]\mathrm{O}=\mathrm{Ca}_2[\mathrm{AlO}_3\mathrm{BO}]_2$