1. Egg-size and parental quality influence nestling growth in the Shag;Amundsen;Auk,1990
2. Contributions to the biology of the Ruff Phylomachus pugnax;Andersen;L. Dan. Ornithol. Foren. Tidsskr.,1951
3. Variation in egg quality and composition in the Mallard Anas platyrhynchos;Birkhead;L. Dan. Ornithol. Foren. Tidsskr.,1985
4. Reproductive biology of Thick-billed Murres Uria lomvia: an inter-colony comparison;Birkhead;Auk,1981
5. Trade-offs in nest site selection in coastal populations of Lapwings Vanellus vanellus;Blomqvist;Auk,1995