Karnovskiĭ, I. A. <br/><br/>
Free Vibrations of  Beams and Frames :  Eigenvalues and Eigenfunctions / 
Igor A. Karnovsky, Olga I. Lebed. 
 - New York :  McGraw-Hill,  c2004. 
 - 280p.  ill. ;[hb] 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0071431896 
<br/><br/><label>Dewey Class. No.: </label>624.1772  / KAR-F