1. Seismic design of bridges-an overview of research needs;Hall,1979
2. The effect of ground transmission time on the response of long structures;Bogdanoff;Bull. Seism. Soc. Am.,1965
3. The comparison of the response of a highway bridge to uniform ground shock and moving ground excitation;Johnson;The Shock and Vibration Bull.,1972
4. Response of beams to propagating boundary excitation;Masri;Earthq. Eng. and Struc. Dyn.,1976
5. Suspension bridge response to multiple support excitations;Abdel-Ghaffar;J. Eng. Mech. Div., ASCE,1982