Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Carlo Blundo, Alfredo De Santis, Douglas R. Stinson. On the Contrast in Visual Cryptography Schemes. J. Cryptology, 12(4):261-289, 1999. [doi]
Abstract is missing.