BISWAS NN <br/><br/>
PRINCIPLES OF TELEPHONY PRINCIPLES OF TELEPHONY 

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 - BANGALORE  RADIANT BOOKS  2002 
 - 138 
<br/><br/><label>ISBN: </label>81-85273-09-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELECTRONICS TELEPHONE 
<br/><br/><label>Dewey Class. No.: </label>384.6 BIS  / BIS