1. Baeza M. Natural periods of reinforced concrete buildings. Engineering Thesis, Department of Civil Engineering, University of Chile, 1963 (in Spanish).
2. Boroschek R, Yáñez F. Correlation of code design recommendations for buildings with structural walls based on observations of actual earthquake response records. Eleventh World Conference on Earthquake Engineering, Mexico, 1996.
3. Boroschek R, Mahin S. Investigation of the seismic response of a lightly-damped torsionally coupled building. Earthquake Engineering Research Center Report No. UCB/EERC-91/18, University of California at Berkeley, 1991.
4. Boroschek R, Mahin S, Zeris C. Seismic response and analytical modeling of three instrumented buildings. In: Proceedings of Fourth US National Conference on Earthquake Engineering, 1990.
5. Computers and Structures Inc. ETABS Extended Three Dimensional Analysis of Building Systems, version P6.13, 1996.