1. Adkins, H., and Covert, L. W., J. Am. Chem. Soc.,54, 4116 (1932).
2. Brown, J. B., and Shinowara, G. Y.,ibid.,,59, 6 (1937).
3. Hilditch, T. P., “The Chemical Constitution of Natural Fats,” pp. 471–74, John Wiley and Sons inc., New York (1947).
4. Adkins, H., and Burks, R. E., “Organic Syntheses,” Vol. 27, p. 76, John Wiley and Sons inc., New York (1947).
5. Overbeck, V. O., Ann.,140, 40 (1886).