1. Aiken, I., Black, C. et al.: New IEEE 693 guidelines for electrical substation equipment with protective systems. Paper No. 2f-0029, Proc. 17th World Conference on Earthquake Engineering, Sendai, Japan (2020)
2. IEEE Power & Engineering Society: IEEE recommended practice for seismic design of substations. IEEE Std 693-2018. New York (2019)
3. Cui, S., Bruneau, M., Kasalanati, A.: Behavior of bidirectional spring unit in isolated floor systems. J. Struct. Eng. 136(8). American Society of Civil Engineers, August (2010)
4. Cui, S., Bruneau, M., Kasalanati, A.: Seismic response case study of isolated floor system having special biaxial spring units. J. Struct. Eng. American Society of Civil Engineers, July (2016)
5. Kasalanati, A., Ng, T. et al.: Seismic isolation of sensitive equipment. In: Paper No. 2676, Proc. 16th World Conference on Earthquake Engineering, Santiago, Chile (2017)