Errera Gazzetta Chimica Italiana, 1907 , vol. 37 II, p. 627 Full Text Show Details Gabriel Chemische Berichte, 1884 , vol. 17, p. 1389 Full Text Show Details Gabriel Chemische Berichte, 1881 , vol. 14, p. 926 Chemische Berichte, 1884 , vol. 17, p. 1389