Extended visual cryptography schemes

Andreas Klein, Markus Wessler. Extended visual cryptography schemes. Inf. Comput., 205(5):716-732, 2007. [doi]

@article{KleinW07,
  title = {Extended visual cryptography schemes},
  author = {Andreas Klein and Markus Wessler},
  year = {2007},
  doi = {10.1016/j.ic.2006.12.005},
  url = {http://dx.doi.org/10.1016/j.ic.2006.12.005},
  researchr = {https://researchr.org/publication/KleinW07},
  cites = {0},
  citedby = {0},
  journal = {Inf. Comput.},
  volume = {205},
  number = {5},
  pages = {716-732},
}