Khanna [d R] Bedi [r S],  <br/><br/>
Text Book Of Sound B A B Sc New 2nd Edn 

 - Kottayam  NATIONAL BOOKSTALL  1900 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Science--Sound
<br/><br/><label>Dewey Class. No.: </label>534  / KHA-T