Sommer et al. Journal of the American Chemical Society, 1946 , vol. 68, p. 1881 Full Text View citing articles Show Details Sommer, L. H.; Whitmore, F. C. Journal of the American Chemical Society, 1946 , vol. 68, p. 485 - 487 Full Text View citing articles Show Details Gmelin Handbook: Si: MVol.C, 7, page 23 - 26