Chopra, Anil K. Dynamics of structures : theory and applications to earthquake engineering / Anil K. Chopra - 4th ed. - Upper Saddle River, N.J. : Prentice Hall, c2012 - xxxiii, 944 p. : ill. ; 25 cm. Includes index ISBN: 9780132858038 (hbk.) 0132858037 (hbk.) Subjects--Topical Terms: Earthquake engineeringStructural dynamics