Madhavappanikkar, P. R. <br/><br/>
Sabdam / 
P. R. Madhavappanikkar 
 - Trivandrum :  Kerala Sastra Sahitya Parishad,  1978 
 - 75 p. ;  18 cm. 
<br/><br/><label>ISBN: </label> Rs. 2.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound<br/>Vibration<br/>Waves
<br/><br/><label>Dewey Class. No.: </label>534