@misc{soberon-2022-colorful-hyperplane-counterexamples,
  title = {{Counterexamples to the Colorful Tverberg Conjecture for Hyperplanes}},
  author = {João Pedro Carvalho and Pablo Soberón},
  year = {2022},
  eprint = {2108.07680},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.07680},
  note = {Acta Mathematica Hungarica 167, 385–392.}
}