Dynamics of Structures- clough & Penzien
Elements Vibrational Analysis - Leonard Meirovitch
Dynamics of Structures - Anil K Chopra
Formulas for structural dynamics -Karnovsky & lebed
Fundamentals of Vibrations -Leonard Meirovitch
Stractural Dynamics -Mario Paz
Structural Dynamics and Vibration in Practice - Douglas Thorby
Finite Element Analysis