1. M. Naor and A. Shamir, Visual cryptography, in “Advances in Cryptology — Eurocrypt’ 94”, Springer-Verlag, Berlin, pp. 1–12, 1995
2. N. Linial and N. Nisan, Approximate inclusion-exclusion, Combinatorica 10, pp. 349–365, 1990
3. N. Alon, O. Goldreich, J. Hastad and R. Peralta, Simple constructions of almost k-wise independent random variables, Random Structures and Algorithms 3, pp. 289–304, 1992