Karu, Z.Z <br/><br/>
Signals & systems  made ridiculously simple 
Z.Z. Karu 
 - Cambridge  Zizi Press  1999 
 - xiv  122 
<br/><br/><label>ISBN: </label>9780964375215 
<br/><br/><label>Dewey Class. No.: </label>621.382  / KAR 621.382  / KAR