Jacobsen Chemische Berichte, 1878 , vol. 11, p. 900 Chemische Berichte, 1880 , vol. 13, p. 1554 Full Text Show Details Remsen; Iles Chemische Berichte, 1878 , vol. 11, p. 890 American Chemical Journal, 1879 , vol. 1, p. 119