1. and , ‘Nonlinear soil-structure interaction’, Report, Weidlinger Associates, Menlo Park, CA, NP-945, Research Project 810–2, Prepared for Electric Power Research Institute, 1978.
2. and , ‘Nonlinear effects in soil-structure interaction’, Report, Weidlinger Associates, Menlo Park, CA, 1982.
3. Separation and sliding between soil and structure during strong ground motion
4. Seismic response due to travelling shear wave including soil-structure interaction with base-mat uplift
5. ‘Behavior of interfaces between structural and geologic media’, A state-of-the-art paper for Int. conf. recent advances geotech. earthquake eng. soil dyn. St. Louis, MO (1981).