Biswas N.N. <br/><br/>
Principles of Telegraphy 

 - Bombay  Media Promoters and Pub.(pvt)., Ltd.,Bombay  1964 
<br/><br/><label>ISBN: </label>0000016709 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Principles  Telegraphy<br/>Telegraphy(621.382)
<br/><br/><label>Dewey Class. No.: </label>62.382