Firth, I. M. <br/><br/>
Waves and vibrations 
I.M. Firth, D.F. Grant, E.M. Wray 
 - Harmondsworth  Penguin Education  1973 
 - 311 p. : ill. ; 20 cm. 
 - Physics reference books  v.2 .
<br/><br/><label>ISBN: </label>0140807306 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Waves<br/>Vibration