@book { PortugalundSpanienProblemekeinerBeziehungPortugaleEspanhaEncontroseDesencontros, title = "Portugal und Spanien: Probleme (k)einer Beziehung. Portugal e Espanha: Encontros e Desencontros", author = "Tobias {Brandenberger} and Henry {Thorau}", year = "2005", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1099612" }