TY  - BOOK
AU  - Chopra,Anil K.
TI  - Dynamics of structures: theory and applications to earthquake engineering 
T2  - Prentice Hall international series in civil engineering andengineering mechanics
SN  - 0-13-086973-2
AV  - TA654.6 Ch66 2001
PY  - 2001///
CY  - Upper Saddle River, N. J.
PB  - Prentice Hall
ER  -