Biggs Norman L <br/><br/>
Codes    An introduction to information communication and cryptography. 

 - London  Springer         2008 
 - x,273p.  cm. 
<br/><br/><label>ISBN: </label> 1622.9290000000001 
<br/><br/><label>Standard No.: </label>109045 
<br/><br/><label>Source: </label> 404, 08/09/2010, A J Books  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),942, P8