@book{298607, author = {Costa, Joana Sofia dos Santos and Hahn, Steffen}, title = {Breeding ecology and migration patterns of an afro-palearctic migratory insectivorous bird, the Bee-eater (Merops Apiaster)}, publisher = {J. Costa}, year = {2020}, address = {Aveiro}, url = {https://ria.ua.pt/handle/10773/30178} }