Information hiding :  4th international workshop, IH 2001, Pittsburgh, PA, USA, April 25-27, 2001 : proceedings / 

 - Berlin ;  New York :  Springer,  c2001. 
 - viii, 412 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>3540427333  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security<br/>Data protection
<br/><br/><label>Dewey Class. No.: </label>005 SPR 2001 C154 Or.