Noelting; Kohn Chemische Berichte, 1884 , vol. 17, p. 363 Full Text Show Details Puxeddu Gazzetta Chimica Italiana, 1920 , vol. 50 II, p. 155 Full Text Show Details Liebermann; v.Kostanecki Chemische Berichte, 1884 , vol. 17, p. 131 Full Text Show Details Puxeddu; Gennari Gazzetta Chimica Italiana, 1921 , vol. 51 I, p. 261