@article{universalfeaturesofmountainridgepatterns,
  title = {Universal features of mountain ridge networks on Earth},
  author = {Rafał Rak and Jarosław Kwapień and Paweł Oświęcimka and Paweł Zięba and Stanisław Drożdż},
  year = {2018},
  eprint = {1804.03457},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1804.03457v3},
}