Bernhard, Rudolf Karl,  1894- <br/><br/>
Mechanical vibrations, theory and applications;  an introduction to practical dynamic engineering problems in the structural field /  
R. K. Bernhard ... 
 - New York,  Chicago,  Pitman Publishing Corporation  [1943] 
 - 139 p.  illus., diagrs.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>VIBRACIONES MECÁNICAS<br/>MECÁNICA
<br/><br/><label>Universal Decimal Class. No.: </label>531.14