1. Standard Specifications for Highway Bridges;American Association of Stale Highway and Transportation Officials,1977
2. SAP IV, A structural analysis program for static and dynamic response of linear systems;Bathe,1974
3. Finite strip analysis of quadrilateral plates in bending;Brown;J. Structural Division, ASCE,1978
4. Analysis of continuous curved box-girder bridges by the finite strip method;Cheung,1979