1. Visual Cryptography;Naor;Advances in Cryptology—EUROCRYPT `94, LNCS,1995
2. Visual cryptography for general access structures;Ateniese;Information and Computation,1996
3. Constructions and Bounds for Visual Cryptography;Ateniese;23rd International Colloquium on Automata, Languages and Programming. LNCS,1996
4. Blundo, C., De Santis, A. and Stinson, D.R., On the Contrast in Visual Cryptography Schemes. Submitted for publication. Available at Theory of Cryptography Library as ftp:theory.lcs.mit.edu/pub/tcryptol/96-13.ps. September 1996
5. New results on visual cryptography;Droste;Advances in Cryptology—CRYPTO `96, LNCS,1996