Karl-Heinz Kleinau; Somasundaran, K, Tr. <br/><br/>
Telephone pratishtapanam (m) / 
Karl-Heinz Kleinau; Somasundaran, K, Tr. 
 -  State Institute of Languages, TVPM,  1973 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wire telephony; Electronics and communication engineering; Applied physics
<br/><br/><label>Dewey Class. No.: </label>621.385 KAR-T