1. and , ‘Literature survey—seismic effects on highway bridges’, Report No. EERC 72–11, Earthquake Engineering Research Center, University of California, Berkeley (1972), or FHWA-RD-73–13, Federal Highway Administration, Washington, D.C. (1972).
2. and , ‘Analytical investigations of the seismic response of long, multiple-span highway bridges’, Report No. EERC 73–12, Earthquake Engineering Research Center, University of California, Berkeley (1973), or FHWA-RD-74–3, Federal Highway Administration, Washington, D.C. (1974).
3. and , ‘Analytical investigation of the seismic response of short, simple or multiple-span highway bridges’, Report No. EERC 75–4, Earthquake Engineering Research Center, University of California, Berkeley (1975), or FHWA-RD-75–10, Federal Highway Administration, Washington, D.C. (1975).
4. and , ‘Experimental model studies on the seismic response of high curved overcrossings’, Report No. EERC 76–18, Earthquake Engineering Research Center, University of California, Berkeley (1976).
5. and , ‘Correlative investigations on theoretical and experimental behavior of a model bridge structure’, Report No. EERC 76–26, Earthquake Engineering Research Center, University of California, Berkeley (1976).