Helszajn, J. <br/><br/>
Passive and active microwave circuits / 
J. Helszajn. 
 - New York :  Wiley,  c1978. 
 - vii, 274 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0471042927 
<br/><br/><label>Subjects--Index Terms: </label>Microwave circuits  Microwave devices 
<br/><br/><label>Dewey Class. No.: </label>621.381/32  / HEL