1. Design of multistory reinforced concrete buildings for earthquake motions. Portland Cement Association, Skokie, IL, 1961.
2. Force-Deformation Models for Nonlinear Analyses
3. Statistical analysis of the response of nonlinear systems subjected to earthquakes. Structural Research Series No. 468, Department of Civil Engineering, University of Illinois, Urbana, IL, 1979.
4. Energy input and damages in structures subjected to severe earthquakes. A.I.J, No. 235, 1975.
5. Seismic energy absorption in simple structures, Structural Research Series No. 501, Department of Civil Engineering, University of Illinois, Urbana, IL, 1982.