Aerial Lift Bridge
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The Aerial Bridge at Duluth. In: Scientific American, v. 91, n. 26 (24 December 1904), pp. 461-462.
https://doi.org/10.1038/scientificamerican12241904-461a
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Prade, Marcel (1990): Les grands ponts du monde: Hors d'Europe. Brissaud, Poitiers (France), pp. 136-137.
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Jackson, Donald C. (1984): Great American Bridges and Dams. A National Trust Guide. John Wiley & Sons, New York (USA), pp. 213-214.
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Fernández Troyano, Leonardo (1999): Tierra sobre el agua. Visión histórica universal de los puentes. Colegio de Ingenieros de Caminos, Canales y Puertos, Madrid (Spain), pp. 754.