1. Itoh, T., T. Tamura and T. Matsumoto, JAOCS 50:122 (1973).
2. Fedeli, E., A. Lanzani, P. Capella and G. Jacini, Ibid. 43:254 (1966).
3. Sawicki, J., and F. Mordret, Rev. Franc. Corps. Gras 17:685 (1970).
4. Sawicki, J., Ibid. 18:83 (1971).
5. Karleskind, A., F. Audiau and J.P. Wolff, Ibid. 13:165 (1966); Karleskind, A., Ibid. 15:379 (1968).