Solymar, Laszlo <br/><br/>
getting the message : a history of communications 

 - New York  Oxford  1999 
 - xii, 311p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>198503334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--History and Development