Harker, Ralph J.,  1915- <br/><br/>
Generalized methods of vibration analysis 
Ralph J. Harker 
 - New York  Wiley  c1983 
 - xxii, 435 p.  ill.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vibration<br/>Engineering mathematics
<br/><br/><label>Dewey Class. No.: </label>620.3