R.K. Mongia  I.J. BahI  P. Bhartia  J. Hong <br/><br/>
RF and microwave coupled-line circuits 

 - Boston  Artech House  2007 
 - xiii, 549 p.  : ill.  ; 26cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781596931565 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microwave circuits--Coupled structures--Directional couplers--Impedance matrix--Unitary property--FEAS
<br/><br/><label>Dewey Class. No.: </label>621.38132  / RFA