1. De Samrat (2004) Effect of Variation of The Systemic Parameters on The Structural Response of Single Degree of Freedom Systems Subjected to Incremental Dynamic Analysis M.S. Thesis Department of Civil Engineering Virginia Tech Blacksburg VA.
2. Charney F.A. and McNamara R.J. (2002) "Use of Damped Mode Shapes in Visualizing the Efficiency of an Auxilliary Damped 39-Story Office Building" Proceesings of the 7 th National Conference in Earthquake Engineering Boston MA.
3. Chopra A.K. (2001) Dynamics of Structures: Theory and Applications to Earthquake Engineering. Prentice Hall: Englewood Cliffs NJ.
4. Earthquakes, Records, and Nonlinear Responses
5. Sivaselvan M.V. and Reinhorn A.M. (1999) "Hysteretic models for cyclic behavior of deteriorating inelastic structures" Technical report MCEER-99-0018 State University of New York at Buffalo.