1. R.W. Eppley, Fish. Bull. 70:1063 (1972).
2. C.G.N. deVooys, in: “The Global Carbon Cycle,” B. Bolin, E.T. Degens, S. Kempe, and P. Ketner, eds., John Wiley and Sons, New York (1979).
3. G.P. Harris, Can. J. Fish. Aquat. Sci. 37:877 (1980).
4. E.L. Venrick, J.R. Beers, and J.F. Heinbokel, J. Exp. Mar. Biol. Ecol. 26:55 (1977).
5. W.W.C. Gieskes, G.W. Kraay, and M.A. Baars, Neth. J. Sea. Res. 13:58 (1979).