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

 - Bombay  M P P Bombay  1964 
<br/><br/><label>ISBN: </label>0000017419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Principle  Telegraphy<br/>Telegraphy(621.382)
<br/><br/><label>Dewey Class. No.: </label>62.382