Walsh functions in signal and systems analysis and design / 
Spyros G. Tzafestas. 
 - 1st ed. 
 - New York :  Van Nostrand Reinhold,  1985 
 - xiii, 351 p. :  ill. ;   29 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0442282982 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics<br/>Electronic control<br/>Walsh functions
<br/><br/><label>Dewey Class. No.: </label>620.7201  / TZW