3620. WEDEKIND, E., AND ALBRECHT., W. H. [Distinguishing the Different Types of Ferric Oxides and Hydrated Oxides by Their Different Magnetic Properties. I.] Ber. deut. chem. Gesell., vol. 59, 1926, pp. 1726-1730; Chem. Abs., vol. 21, 1927, p. 526.

3620. WEDEKIND, E., AND ALBRECHT., W. H. [Distinguishing the Different Types of Ferric Oxides and Hydrated Oxides by Their Different Magnetic Properties. I.] Ber. deut. chem. Gesell., vol. 59, 1926, pp. 1726-1730; Chem. Abs., vol. 21, 1927, p. 526.