![Gmelins Handbuch der Anorganischen Chemie. Edited by the German Chemical Society. 8th ed. System-Nummer 59: Eisen. Teil A-Lieferung 8. Pp. xxxi + 1635-1818. Berlin: Verlag Chemie, G.m.b.H., 1936, 24.37 rm.]()
Gmelins Handbuch der Anorganischen Chemie. Edited by the German Chemical Society. 8th ed. System-Nummer 59: Eisen. Teil A-Lieferung 8. Pp. xxxi + 1635-1818. Berlin: Verlag Chemie, G.m.b.H., 1936, 24.37 rm.Journal of the Society of Chemical Industry · 1937