Skwirzynski, J. K. <br/><br/>
Design theory and data for electrical filters   
by J. K. Skwirzynski. 
 - London  D. Van Nostrand  1965 
 - xxviii, 701p. 
 - Marconi Series Covering Advances in Radio and Radar .
<br/><br/><label>Dewey Class. No.: </label>621.381532  / N65