Kurtenacker, A.; Bittner, A. Z. Anorg. Chem., 1925 , vol. 142, p. 119 - 129 Full Text Show Details Kurtenacker, A.; Fritsch, A. Z. Anorg. Chem., 1921 , vol. 117, p. 202 - 208 Full Text Show Details Kurtenacker, A.; Fritsch, A. Z. Anorg. Chem., 1921 , vol. 117, p. 262 - 266 Full Text Show Details Gmelin Handbook: S: MVol.B2, 9, page 970 - 979