Kraus, C. A.; Nilson, W. K. Journal of the American Chemical Society, 1934 , vol. 56, p. 195 - 202 Full Text View citing articles Show Details Gmelin Handbook: Si: MVol.C, 111, page 310 - 313 Full Text Show Details Larsson, E.; Mjoerne, O. Chalmers tekn. Hoegskolas Handl. Nr. 87 (1949) 29/33