1. Christopoulos C. and Filiatrault A. (2006). Principles of Passive Supplemental Damping and
2. Seismic Isolation. IUSS PRESS Pavia Italy.
3. DD.MM.LL.PP. (2008). Norme tecniche per le costruzioni NTC (in Italian).
4. Di Sarno L. and Elnashai A.S. (2002). Seismic Retrofitting of Steel and Composite Building Structures. Mid
5. America Earthquake Center Report CD Release 02-01 University of Illinois at Urbana-Champaign IL USA.