1. S. Gavaris, Res. Doc. 88/29, 12 (1998).
2. S. Gavaris, Canad. Spec. Publ. Fisheries Aquatic Sci. 120, 185 (1993).
3. R. K. Mohn and R. Cook, Scientific Council Studies, No. 17, 110 (1993).
4. K. R. Patterson and G. P. Kirkwood, J. Marine Sci. 52, 183 (1995).
5. L. von Bertalanffy, Human Biol. 10, 181 (1938).