Maslin, Nicholas. <br/><br/>
HF communications :  a systems approach / 
Nicholas Maslin. 
 - London :  Pitman,  1987. 
 - 248 p. 
<br/><br/><label>ISBN: </label>0273026755 
<br/><br/><label>LCCN: </label>91026272     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.