Jacobson; Fertsch; Heubach Justus Liebigs Annalen der Chemie, 1898 , vol. 303, p. 338 Full Text Show Details Noelting; Werner Chemische Berichte, 1890 , vol. 23, p. 3255 Full Text Show Details Willgerodt; Smith Chemische Berichte, 1904 , vol. 37, p. 1311