1. Impact in Railway Prestressed Concrete Bridges
2. Clough R. W. and Penzien J. (1975). Dynamics of structures . McGraw‐Hill Book Co. New York N.Y.
3. Dodds C. J. (1972). “BSI proposals of generalized terrain dynamic inputs to vehicles.” ISO/TC/108/WG9 Document No. 5 Int. Organization for Standardization.
4. The description of road surface roughness
5. Fenves S. J. Veletsos A. S. and Siess C. P. (1962). “Dynamic studies of bridges on the AASHO test road.” Report No. 71 Nat. Academy of Sci.‐Nat. Res. Council Washington D.C.