1. “Arch Slipformer Shuns Ground Support to Cross Valley ” Engineering News Record June 1 1978 pp. 26–27.
2. Baumann H. and V. Schwichow E. “Vom Bau der Steinaggertalbrücke ” Proceedings Ninth International Congress of FIP in Stockholm Sweden (Report of German Group of the Féderation International de la Prećontrainte) 1982 pp. 24–26.
3. “Box Girder will be Launched in the U.S. ” Engineering News Record Jan. 27 1977 p. 10.