Barrett RT. The effect of egg harvesting on the growth of chicks and breeding success of the Shag Phalacrocorax aristotelis and the Kittiwake Rissa tridactyla on Bleiksøy, North Norway. Ornis Fenn [Internet]. 30 september 1989 [citerad 17 maj 2024];66(3):117–122. Tillgänglig vid: https://ornisfennica.journal.fi/article/view/133285