Leach, Donald P, et.al. <br/><br/>
Digital principles and applications 

 - 7 
 -  TATA McGraw-Hill Publishing Co., Ltd., New Delhi  2008 
 - 683 
<br/><br/><label>ISBN: </label>537.5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics; Physics
<br/><br/><label>Dewey Class. No.: </label>537.5  LEA-D7