Dokl. Akad. Nauk SSSR, 1978 Volume 243, Number 1,Pages 113–115(Mi dan42117)
CRYSTALLOGRAPHY
Low-temperature investigation of crystal structure of sodium aluminogermanate,
$\mathrm{Na}_8\mathrm{Al}_6\mathrm{Ge}_6\mathrm{O}_{24}(\mathrm{CO}_3)\cdot3\mathrm{H}_2\mathrm{O}$