1. M. Hamberg and B. Gotthammar, Lipids, 8, 737 (1973).
2. M. Hamberg, ibid. 10, 87 (1975).
3. R. J. Horvat, W. H. McFadden, H. Ng, A. Lee, G. Puller and T. H. Applewhite, J. Amer. Oil Chem. Soc. 46, 273 (1969).
4. R. Amano, Shokuhin Eiseigaku Zasshi, 11, 439 (1970).
5. E. N. Frankel, J. Nowakowska and C. D. Evans, J. Amer. Oil Chem. Soc. 38, 161 (1961).