GRAHAM, B. J. Airline Services and Airport Provision in Northern Ireland, 1983–93: Network Patterns, Policies and Trends. Irish Geography, [S. l.], v. 26, n. 1, p. 65–78, 2015. DOI: 10.55650/igj.1993.458. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/458. Acesso em: 29 apr. 2024.