@article{bayesianinferenceoftheclimbinggrade,
  title = {Bayesian inference of the climbing grade scale},
  author = {Alexei Drummond and Alex Popinga},
  year = {2021},
  eprint = {2111.08140},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.08140v1},
}