HARRISON, Dr Jeffery G. Skull pneumaticity - Skull pneumaticity in wildfowl in relation to their mode of life. Wildfowl, [S. l.], v. 9, p. 3, 1957. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155498. Acesso em: 19 apr. 2026.