Nest-sites of the Common Gull Larus canus in relation to ice age geology and other factors

Haartman, L. (1980). Nest-sites of the Common Gull Larus canus in relation to ice age geology and other factors. Ornis Fennica, 57(1), 11–16. Noudettu osoitteesta https://ornisfennica.journal.fi/article/view/133026