@article{ferdinandy2012landing,
  title={Landing together: How flocks arrive at a coherent action in time and space in the presence of perturbations},
  author={Ferdinandy, Bence and Bhattacharya, Kunal and Abel, Daniel and Vicsek, Tamas},
  journal={Physica A: Statistical Mechanics and its Applications},
  volume={391},
  number={4},
  pages={1207--1215},
  year={2012},
  publisher={North-Holland}
}