@misc{soberon-2017-quantitative-pq,
  title = {{Quantitative (p, q) theorems in combinatorial geometry}},
  author = {David Rolnick and Pablo Soberón},
  year = {2017},
  eprint = {1504.01642},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1504.01642},
  note = {Discrete Math. 340 (10), 2516–2527.}
}