Sintra : património da humanidade / coord. José Cardim Ribeiro
COTA(S): 6397
Castelos da raia / Rita Costa Gomes
COTA(S): 6490.1
WTO-ETAG joint seminar on tourism and environmental protection, Heidelberg (Alemanha), 16-18 May 1996 / World Tourism Organization; European Tourism Action Group
COTA(S): 6105