1. Ackman, R.G., and S.N. Hooper, Comp. Biochem. Physiol. 46B:153 (1973).
2. Ackman, R.G., S.N. Hooper, and P.J. Ke, Ibid. 39B:579 (1971).
3. Ackman, R.G., S. Epstein, and M. Kelleher, J. Fish. Res. Bd. Can. 31:1803 (1974).
4. Watanabe, T., and R.G. Ackman, Ibid. 31:403 (1974).
5. Calzolari, C., E. Cerma, and B. Stancher, La Riv. Ital. Sost. Grasse 48:605 (1971).