Goehring, M.; Stamm, H.; Feldmann, U. Z. Anorg. Chem., 1942 , vol. 250, p. 226 - 228 Full Text Show Details Goehring, M.; Stamm, H.; Feldmann, U. Z. Anorg. Chem., 1942 , vol. 250, p. 56 - 71 Full Text Show Details Gmelin Handbook: S: MVol.B3, 119, page 1786 - 1788