Classic works in RF engineering :  combiners, couplers, transformers, and magnetic materials / 
John L.B. Waler ... [et al.] 
 - Boston, MA :  Artech House,  2006 
 - xi, 371 p. :  ill. ;  29 cm. 
 - Artech House microwave library .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>1580530567 (alk. paper)  RM475.82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio circuits--Design and construction<br/>Radio frequency