1. Ueno, Sei-iti, Miyake, Yosizo and Auzai, Rinnosuke, J. Soc. Chem. Ind., Japan21, 898–939 (1918). Supplementary Binding 434–5 (1941) (in English).
2. Durst, R., Oil & Soap12, 271 (1935).
3. Boekenoogen, H. A., Oil & Soap18, 8 (1941).
4. Schuette, H. A., and Hine, C. H., Oil & Soap16, 12 (1939).
5. American Oil Chemists' Society, Soap in Refined Oil Committee13, 177 (1936);14, 153 (1937);15, 209 (1938);16, 133 (1939);17, 123 (1940);19, 131 (1942).