1. Anikouchine, W.A. and Sternberg, R.W.: The World Ocean, Engelwood Cliffs, New Jersey, Prentice-Hall, Inc. pp. 96–117, 1973.
2. Aprieto, V.: Personal correspondance, September 1, 1979
3. Atema, J.: Chemical Senses, Chemical Signals, and Feeding Behavior in Fishes. In: Fish Behaviour and Its use in the Capture and Culture of Fishes, Bardach, J.E., J.J. Magnuson, R.C. May and J.M. Reinhart, eds., Manila, Philippines, ICLARM Conference Proceedings No. 4, International Center for Living Aquatic Resources Management (in press)
4. Brown, W.T.: Personal communication, August 23, 1979
5. Bulletin of the National Federation of Fishing Association in the Philippines, Anonymous: Tuna Industry Trends and Briefs. November, p. 3 (1978)