1.
Bergman G. Single-breeding versus colonial breeding in the Caspian Tern Hydroprogne caspia, the Common Tern Sterna hirundo and the Arctic Tern Sterna paradisaea. Ornis Fenn [Internet]. 1980Dec.31 [cited 2024Nov.23];57(4):141–152. Available from: https://ornisfennica.journal.fi/article/view/133049