Gabel, Robert A <br/><br/>
Signals and linear systems 

 - 3 
 - New York  John Wiley  1987 
 - xvii, 470p.  
<br/><br/><label>ISBN: </label>9971511673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Continuous-time systems<br/>digital filters - -- FIR<br/>Discrete-time signals<br/>Filters -- digital filters<br/>Signals and Systems