1. Code for seismic design of buildings (GB50011-2010);MOC (Ministry of Construction of the People's Republic of China),2010
2. Design of structures for earthquake resistance-Part 1: general rules, seismic actions and rules for buildings;CEN (European Committee for Standardization),2003
3. Modal analysis theory and testing;Heylen,2006
4. Modal analysis and experiment;Zhang,2011
5. Damping of material and members in structural mechanics;Lazan,1968