Elwell, F. R. <br/><br/>
The Sounds We Hear 

 - London :  Methuen,   1952. 
 - 73p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mahinda Ranaweera Collection<br/>Sound & related vibrations
<br/><br/><label>Dewey Class. No.: </label>534  / ELW