Trophic levels and trophic relationships of seabirds in the Gulf of Alaska
Sanger, G.A. (1987). Trophic levels and trophic relationships of seabirds in the Gulf of Alaska, in: Croxall, J.P. (Ed.) Seabirds: feeding ecology and role in marine ecosystems. pp. 229-257
In: Croxall, J.P. (Ed.) (1987). Seabirds: Feeding ecology and role in marine ecosystems. Cambridge University Press: Cambridge. ISBN 0-521-30178-5. 408 pp., meer
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