@article{czirok1993experimental,
  title={Experimental evidence for self-affine roughening in a micromodel of geomorphological evolution},
  author={Czirok, A and Somfai, E and Vicsek, T},
  journal={Physical review letters},
  volume={71},
  number={13},
  pages={2154},
  year={1993},
  publisher={American Physical Society}
}