^Baur, Werner H.; Halwax, Erich; Völlenkle, Horst (1986). "Comparison of the crystal structures of sodium orthosilicate, Na 4SiO 4, and sodium orthogermanate, Na 4GeO 4". Monatshefte für Chemie Chemical Monthly. 117 (6–7): 793–797. doi:10.1007/BF00810070. S2CID92420380.
^M,. G. Barker, P. G.Gadd (1981): "The preparation and crystal structure of sodium orthosilicate, Na 4SiO 4." Journal of Chemical Research, London] Chemical Society, volume 9, pages S:274 (synopse), M:3446-3466 (main).