@inproceedings{asymmetricmutualismintwoandthree,
  title = {Asymmetric Mutualism in Two- and Three-Dimensional Range Expansions},
  author = {Maxim O. Lavrentovich and David R. Nelson},
  year = {2014},
  booktitle = {APS 2014 4},
  url = {https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.138102},
}