@book{ix+congres+international+de+navigation+dusseldorf+1902+sect+2+communication+9+ports+de+la+cote+occidentale+du+portugal+communication,
    author = {Cecilio da Costa, J.},
    title = {IX. Congrès International de Navigation, Dusseldorf - 1902. Sect. 2, Communication 9, Ports de la côte occidentale du Portugal : communication},
    address = {Berlin},
    publisher = {P. Stankiewicz' Buchdruckerei},
    date = {1902}
}