OECD Competition Assessment Reviews: Portugal : Volume I - Inland and Maritime Transports and Ports
Regulation of For-Hire Passenger Transport : Portugal in International Comparison
Tarifa comum internacional para o transporte de passageiros e bagagens
Metros in Portugal : Schienennahverkehr in und um Lissabon und Porto
Spain and the Great Powers 1936–1941
A civil, commercial, political, and literary history of Spain and Portugal
Iberische Halbinsel / Heinz Schomann. Fotos Volker Rödel ; Teil 1: Portugal und Nordspanien