Clutch size, productivity and population changes in a population of the Horned Grebe Podiceps auritus in an exposed habitat

Ulfvens, J. (1989). Clutch size, productivity and population changes in a population of the Horned Grebe Podiceps auritus in an exposed habitat. Ornis Fennica, 66(2), 75–77. Noudettu osoitteesta https://ornisfennica.journal.fi/article/view/133279