Dokl. Akad. Nauk SSSR, 1984 Volume 275, Number 4,Pages 879–883(Mi dan46528)
CRYSTALLOGRAPHY
Structure and synthesis of double acid potassium-aluminium phosphate with mixed anions,
$\mathrm{KAl}_2\mathrm{H}_2(\mathrm{P}_3\mathrm{O}_{10})(\mathrm{P}_4\mathrm{O}_{12})$