Seabird responses to long-term changes of prey resources off Southern Africa
Crawford, R.J.M. (1999). Seabird responses to long-term changes of prey resources off Southern Africa, in: Adams, N.J. et al. (Ed.) Proceedings of the 22nd International Ornithological Congress, August 1998, Durban, South Africa. pp. 15 pp
In: Adams, N.J.; Slotow, R.H. (Ed.) (1999). Proceedings of the 22nd International Ornithological Congress, August 1998, Durban, South Africa. BirdLife South Africa: Johannesburg. , meer
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