@article{1742-6596-638-1-012015,
  author={Bhattacharya, Kunal and Vicsek, Tamas},
  title={To join or not to join: collective foraging strategies},
  journal={Journal of Physics: Conference Series},
  volume={638},
  number={1},
  pages={012015},
  url={http://stacks.iop.org/1742-6596/638/i=1/a=012015},
  year={2015},
}