@misc{indiciae43be08228f86,
  title = {Blue-noise halftoning for hexagonal grids.},
  author = {Daniel L Lau and Robert Ulichney},
  year = {2006},
  doi = {10.1109/tip.2005.864160},
  url = {https://pubmed.ncbi.nlm.nih.gov/16671307/},
  note = {Source identifier: 16671307}
}