1. Burlew, J. S., J. Am. Chem. Soc.62, 690–95 (1940).
2. Coffey, C. A., and Spannuth, H. T., Oil & Soap17, 41–42 (1940).
3. Ferguson, R. H., and Lutton, E. S., Chem. Reviews29, 355–84 (1941).
4. Hofgaard, K., Dilatometriske Fedstof-Undersogelser, J. Jorgensen & Co., Copenhagen (1938).
5. Hügel, E., In Chemie u. Technologie der Fette and Fettprodukte, Vol. 2, by H. Hefter and H. Schönfeld, Julius Springer, Vienna (1937), pp. 166–68.