Leach Donald P <br/><br/>
Digital Principles And Applications  Textual Documents 
Donals P Leach 
 - 5th ed 
 - New Delhi  Tata McGraw Hill Publishing Company  2003 
 - X,638p  ill  24cm 
<br/><br/><label>ISBN: </label>0070472580   
<br/><br/><label>Dewey Class. No.: </label>823.7  / AUS