Narayanaswami Ayer, B.  <br/><br/>
Elementary science in tamil 
B. Narayanaswami Ayer 
 - 2nd ed. 
 - Madras  B.N. Press  1927 
 - xvi, 192 p. 
<br/><br/><label>Dewey Class. No.: </label>530  /  NAR