1. ATC-20. 1989. Procedures for Post Earthquake Safety Evaluation of Buildings. Applied Technology Council, Redwood City, CA.
2. 1978. Determining models of structures from earthquake records, Report No EERL 78-01. California Institute of Technology, Pasadena, CA.
3. 1980. System identification and damage assessment of existing structures. PhD thesis, School of Civil Engineering, Purdue University, West Lafayette, IN.
4. 1994. Applied System Identification. Prentice-Hall: Englewood Cliffs, NJ.
5. Performance of 20 extensively-instrumented buildings during the 1994 Northridge earthquake