1. Tentative Provisions for the Development of Seismic Regulations of Buildings, ATC3-06. Applied Technology Council, Palo Alto, California, 1978.
2. Recommended Lateral Force Requirements and Tentative Commentary. Structural Engineers Association of California, 1990.
3. Uniform Building Code Standards, UBC, International Conference of Building Officials, Whitier, California, 1988.
4. ‘Torsion in symmetrical buildings’, Proc. 4th world conf. earthquake eng., Santiago, Chile, 1969, pp. A3, 19–32.
5. and , ‘Response of structures to propagating ground motions’, Report No. 22, Structural Research at Rice, Rice University, Houston, TX, 1975.