Vol. 49 No. 2 (1972)

Research articles

• Egg dimension variation in five wader species: the role of heredity

  R. A. Väisänen, O. Hildén, M, M. Soikkeli, S. Vuolanto

  25–44

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• Growth and mortality in the chicks of Arctic Terns in the Kongsfjord area, Spitsbergen in 1970

  R. Lemmetyinen

  45–53

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