Diet analysis of the piscivorous common tern (Sterna hirundo) in the North Sea based on fish otoliths
Katalin, P. (2007). Diet analysis of the piscivorous common tern (Sterna hirundo) in the North Sea based on fish otoliths. MSc Thesis. Universiteit Antwerpen/Vrije Universiteit Brussel (ECOMAMA): Brussel. 60 + app. pp.