Singh, Simon <br/><br/>
Code book: the secret history of codes and codebreaking / 
 The code book: the secret history of codes and code-breaking 
Simon Singh 
 - London  Fourth Estate  2000 
 - xiii, 402 p, 20 cm 
<br/><br/> Gratis<br/>Vidur Ramasubramanian (UG22-169)<br/>GBP 7.99 
<br/><br/><label>ISBN: </label>9780007635740 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Data encryption (Computer science)
<br/><br/><label>Dewey Class. No.: </label>652.8 SIN