Khanna, D. R.  1906- <br/><br/>
A textbook of sound  for B.A. & B. Sc. (pass & hons.) students of Indian universities, 
by D.R. Khanna and R.S. Bedi. 
 - New 7th ed., greatly improved. 
 - Delhi,  Atma Ram,  1962. 
 - 380 p.  illus.  22 cm. 
<br/><br/><label>LCCN: </label>sa 62000659 /L/r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound.
<br/><br/><label>LC Class. No.: </label>QC225  / .K45 1962