1. Barham, E. G.: Deep-sea fishes' lethargy and vertical orientation. In: Proceedings of an international symposium on biological sound scattering in the ocean, pp 100?118. Ed. by G. B. Farquhar. Washington, D. C.: Maury Center for Ocean Sciences. Department of the Navy 1971
2. Blackburn, M. B.: Regressions between biological oceanographic measurements in the eastern tropical Pacific and their significance to ecological efficiency. Limnol. Oceanogr. 18, 552?563 (1973)
3. Blackburn, M. B.: Studies on pelagic animal biomasses. In: Oceanic sound scattering prediction, pp 283?291. Ed. by N. R. Anderson and B. J. Zahuranec. New York: Plenum Press 1977
4. Blackburn, M. B., R. M. Laurs, R. W. Owen and B. Zeitschel: Seasonal and areal changes in standing stocks of phytoplankton, zooplankton and micronekton in the eastern tropical Pacific. Mar. Biol. 7, 14?31 (1970)
5. Brett, J. R. and T. D. D. Groves: Physiological energetics. In: Fish physiology, Vol. VIII. pp 279?351. Ed. by W. S. Hoar and D. J. Randall. New York: Academic Press 1979