Wai-Kai Chen,  <br/><br/>
Passive, Active, and Digital Filters :    /  
Wai-Kai Chen,  
 - 3a ed. 
 - Chicago ;   CRC Press ,   2009 
 - 998p. ;   18cm. :    
<br/><br/><label>ISBN: </label>9781420058857 
<br/><br/><label>Subjects--Index Terms: </label>ELECTRÓNICA 
<br/><br/><label>Universal Decimal Class. No.: </label>4