Fischer,E. Justus Liebigs Annalen der Chemie, 1887 , vol. 242, p. 382 Full Text Show Details Jackson Chemische Berichte, 1881 , vol. 14, p. 890 Full Text Show Details Magnanini Gazzetta Chimica Italiana, 1888 , vol. 18, p. 95 Chemische Berichte, 1888 , vol. 21, p. 1936