@book{the+new+waterway+to+rotterdam+vith+international+inland+navigation+congress+the+hague+1894,
    author = {Triest, W. Gustav i Triest, W. Gustav.},
    title = {The new waterway to Rotterdam : VIth International Inland Navigation Congress, The Hague, 1894},
    address = {Hague},
    publisher = {A. D. Schinkel},
    date = {1894}
}