Walnut Lane Memorial Bridge
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Zollman, Charles C. / Depman, Frank / Nagle, Joseph / Hollander, Edward F. (1992): A 40-Year Saga Building and Rebuilding of Philadelphia's Walnut Lane Memorial Bridge. Dans: PCI Journal, v. 37, n. 4 (juillet 1992), pp. 66-82.
https://doi.org/10.15554/pcij.07011992.66.82
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Zollman, Charles C. / Depman, Frank / Nagle, Joseph / Hollander, Edward F. (1992): A 40-Year Saga Building and Rebuilding of Philadelphia's Walnut Lane Memorial Bridge. Dans: PCI Journal, v. 37, n. 3 (mai 1992), pp. 66-82.
https://doi.org/10.15554/pcij.05011992.66.82
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Magnel, Gustave (1951): Essai, à Philadelphie, d'une poutre en béton précontrait de 47 mètres de portée. Dans: La Technique des Travaux, v. 27, n. 1-2 (janvier 1951), pp. 49-61.
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Jackson, Donald C. (1984): Great American Bridges and Dams. A National Trust Guide. John Wiley & Sons, New York (États-Unis), pp. 150.
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El primer puente de hormigón pretensado construido en los Estados Unidos. Dans: Hormigón pretensado, v. 1, n. 2 (1er trimestre 1950), pp. 37-38.