Helszajn, J <br/><br/>
Nonreciprocal microwave juctions and circulators 

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 - New York  Wiley Eastern  1975 
 - vii, 349p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>microwave circulators  microwave junctions 
<br/><br/><label>Dewey Class. No.: </label>621.372.832