Seabirds as predators on marine resources, especially krill, at South Georgia

Croxall, J.P. and P.A. Prince. 1987. Seabirds as predators on marine resources, especially krill at South Georgia. In: Croxall, J.P. (ed.). Seabirds: feeding ecology and role in marine ecosystems. Cambridge, Cambridge University Press, 347-368.