Wiesner, Lothar. <br/><br/>
Telegraph and data transmission over shortwave radio links : fundamental principles and networks  [Books]. 
by Lothar Wiesner 
 - 3rd 
 - Berlin  M©·unchen  198 
 - Pages: 19 
<br/><br/><label>ISBN: </label>3800912325  0.00 
<br/><br/><label>LCCN: </label>77052310 
<br/><br/><label>Subjects--Personal Names: </label><br/>Data transmission systems<br/>Radioteletype<br/>Shortwave radio
<br/><br/><label>Dewey Class. No.: </label>TK/5543  / WIE