Wiesner, Lothar <br/><br/>
Telegraph and data transmission over shortwave radio links  fundamental principles and networks 
by Lothar Wiesner 
 - 2nd ed 
 - Berlin  Siemens Aktiengesellschaft  1981 
 - 199p. :  ill. ;  21cm 
<br/><br/> Includes index  Translation of Fernschreib-und Datenubertragung uber Kurzwelle 
<br/><br/>Bibliography: p.190-195 
<br/><br/><label>ISBN: </label>3800913224  Siemens AG 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioteletype<br/>Data transmission systems<br/>Radio, Short wave