Shaum's outlines Signals and Systems  
Hsu, Hwei P. 
 - 4th ed. 
 - New york: McGraw-Hill Education  2020 
 - x,  498p.; 27.7cm. 
<br/><br/> Includes appendices, index 
<br/><br/><label>ISBN: </label>9781260454246 
<br/><br/><label>Dewey Class. No.: </label>C 621.382 H873 2020