Headrick Daniel, R <br/><br/>
Invisible Weapon - Telecommunications And International Politics 1851-1945 

 - New York  Oxford University Press  1991 
 - 289p 
<br/><br/><label>ISBN: </label>9780199930333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Politics
<br/><br/><label>Dewey Class. No.: </label>384 HEA/I