Ketchum, Donald J. <br/><br/>
Pulse and swiching circuits   
by Donald J. Ketchum and E. Charles Alvarez 
 - New York  McGraw-Hill  1965 
 - vi, 310p. 
 - McGraw-Hill technical education series .
<br/><br/><label>Dewey Class. No.: </label>621.381537  / N654