Numbers of gulls nesting on the northern coast of the Gulf of Finland
Viittaaminen
Kilpi, M., Puntti, H., & Toivonen, T. (1980). Numbers of gulls nesting on the northern coast of the Gulf of Finland. Ornis Fennica, 57(4), 153–160. Noudettu osoitteesta https://ornisfennica.journal.fi/article/view/133050
