@article{czirok1994self,
  title={Self-affine roughening in a model experiment on erosion in geomorphology},
  author={Czirok, A and Somfai, E and Vicsek, T},
  journal={Physica A: Statistical Mechanics and its Applications},
  volume={205},
  number={1},
  pages={355--366},
  year={1994},
  publisher={North-Holland}
}