Zuoz Bridge
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Billington, David P. (1997): Robert Maillart. Designer, Builder, Artist. Cambridge University Press, Cambridge (United Kingdom), pp. 17-21, 31-32, 34-36.
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Billington, David P. (1979): Robert Maillart's Bridges. The Art of Engineering. Princeton University Press, Princeton (USA), pp. 146.
https://doi.org/10.1515/9780691216072
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Billington, David P. / Payá Zaforteza, Ignacio / Sánchez Fernández, Ramón / Jorquera Lucerga, Juan José: La torre y el puente. El nuevo arte de la ingeniería estructural. CINTER, Madrid (Spain), ISBN 978-84-939305-4-7, pp. 300.
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Billington, David P. (1983): The Tower and the Bridge. The New Art of Structural Engineering. Princeton University Press, Princeton (USA), pp. 158-161.
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Billington, David P. / Schlaich, Jörg (2013): Der Turm und die Brücke. Die neue Kunst des Ingenieurbaus. Wilhelm Ernst & Sohn Verlag für Architektur und technische Wissenschaften, Berlin (Germany), ISBN 978-3-433-03077-6.