TY  - BOOK
AU  - Karnovskiĭ, I. A.
AU  - Lebed, Olga I.
TI  - Free Vibrations of  Beams and Frames: Eigenvalues and Eigenfunctions 
SN  - 0071431896
U1  - 624.1772 
PY  - 2004///
CY  - New York
PB  - McGraw-Hill
N1  - Includes index
ER  -