@article{kertesz1986diffusion,
  title={Diffusion-limited aggregation and regular patterns: fluctuations versus anisotropy},
  author={Kertesz, J and Vicsek, Tamas},
  journal={Journal of Physics A: Mathematical and General},
  volume={19},
  number={5},
  pages={L257},
  year={1986},
  publisher={IOP Publishing}
}