TY  - BOOK
AU  - Nag,Debabrata
TI  - Mechanical vibrations 
SN  - 9788126530908
U1  - 620.3 NAG  
PY  - 2011///
CY  - New Delhi
PB  -  Wiley Indi Pvt. Ltd., 
KW  - SDOF system
KW  - Free vibrations
ER  -