Information hiding : 4th international workshop, IH 2001, April 25-27, 2001, proceedings 

 - Berlin  Springer  2001 
 - viii, 412p. :  
<br/><br/><label>ISBN: </label>3540427333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital Wter marking<br/>Information hiding<br/>Steganography