Stelvio Cimato, Roberto De Prisco, Alfredo De Santis. Optimal Colored Threshold Visual Cryptography Schemes. Des. Codes Cryptography, 35(3):311-335, 2005. [doi]
@article{CimatoPS05,
title = {Optimal Colored Threshold Visual Cryptography Schemes},
author = {Stelvio Cimato and Roberto De Prisco and Alfredo De Santis},
year = {2005},
doi = {10.1007/s10623-003-6741-z},
url = {http://dx.doi.org/10.1007/s10623-003-6741-z},
researchr = {https://researchr.org/publication/CimatoPS05},
cites = {0},
citedby = {0},
journal = {Des. Codes Cryptography},
volume = {35},
number = {3},
pages = {311-335},
}