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

 - New York  M.P.P  1985 
<br/><br/><label>ISBN: </label>0000016372 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Principles  Telegraphy<br/>Telegraphy(621.382)
<br/><br/><label>Dewey Class. No.: </label>62.382