2J Muller, On Design and Construction of Long Span Concrete Arch Bridge[A], Proceedings of the Third International Conference on Arch Bridge[ C ], 19 - 21, Sept. 2001,Paries France: 17 - 26.
3A. C. LIEBENBERG, M. G. LATIMER. Bloukrans bridge[A],Proceedings of the Third International Conference on Arch Bridge[C], 19-21, Sept. 2001, Paries France:35-40.
