Naor, Moni; Shamir, Adi (1995). "Visual cryptography". Advances in Cryptology – EUROCRYPT'94. Lecture Notes in Computer Science. Vol. 950. pp. 1–12. doi:10.1007/BFb0053419. ISBN978-3-540-60176-0.
Verheul, Eric R.; Van Tilborg, Henk C. A. (1997). "Constructions and Properties of k out of n Visual Secret Sharing Schemes". Designs, Codes and Cryptography. 11 (2): 179–196. doi:10.1023/A:1008280705142. S2CID479227.
Ateniese, Giuseppe; Blundo, Carlo; Santis, Alfredo De; Stinson, Douglas R. (2001). "Extended capabilities for visual cryptography". Theoretical Computer Science. 250 (1–2): 143–161. doi:10.1016/S0304-3975(99)00127-9.
Verheul, Eric R.; Van Tilborg, Henk C. A. (1997). "Constructions and Properties of k out of n Visual Secret Sharing Schemes". Designs, Codes and Cryptography. 11 (2): 179–196. doi:10.1023/A:1008280705142. S2CID479227.