Kleinav, Karl-Henz <br/><br/>
Telephone Practisthapanam / 
Karl-Henz Kleinav ; tr. by K. Somasundaran 
 - Trivandram :  State Institue Of Language,  1973 
 - xII, 217 p. :  ill ;  21 cm. 
<br/><br/><label>ISBN: </label> Rs. 7.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telegraph, Wireless--History
<br/><br/><label>Dewey Class. No.: </label>621.386