4th international workshop, IH 2001, Pittsburgh, PA, USA, April 25-27, 2001 : proceedings Moskowitz, Ira S. text Berlin New York Springer c2001 monographic viii, 412 p. : ill. ; 24 cm. Computer security Data protection 005 SPR 2001 C154 Or. 3540427333 http://link.springer-ny.com/link/service/series/0558/tocs/t2137.htm http://link.springer-ny.com/link/service/series/0558/tocs/t2137.htm