TY  - BOOK
AU  - Karnovsky, Igor A
AU  - Lebed, Olga I.
TI  - Free vibrations of beams and frames: elgenvalues and elgenfunctions
SN  - 9780071431897
U1  - 624.072.2 
PY  - 2004///
CY  - New York
PB  - McGraw Hill
KW  - Girders- Vibration
KW  - Structural analysis
KW  - Deformable systems
ER  -