01377nam--2200397---450 99000096078020331620180312154737.03-540-42733-30096078USA010096078(ALEPH)000096078USA01009607820020214d2001----km-y0ITAy0103-------baENGDEInformation hiding4th International workshop, IH 2001Pittsburgh, PA, USA, April 25-27, 2001proceedingsIra S. Moskwkoitz (ed.)Berlin [etc.]Springer-Verlagcopyr. 2001VIII, 412 p.ill.20 cmLecture notes in computer science21372001Lecture notes in computer science2137Archivi di dati Sicurezza Congressi 2001Archivi di dati Protezione Congressi 2001005.821Moskwkoitz,Ira S.International workshop IH 2001 <4. ; 2001 ; Pittsburgh, USA>552657ITACBSISBD990000960780203316001 LNCS (2137)0027336 CBS00100110984BKSCIALANDI9020020214USA011300DIGIUSEPPE9020020308USA01110920020403USA011738PATRY9020040406USA011706Information hiding972602UNISA