@article{Helbing_2000,
title={Simulating dynamical features of escape panic},
volume={407},
ISSN={1476-4687},
url={http://dx.doi.org/10.1038/35035023},
DOI={10.1038/35035023},
number={6803},
journal={Nature},
publisher={Springer Science and Business Media LLC},
author={Helbing,
Dirk and Farkas,
Illés and Vicsek,
Tamás},
year={2000},
month=sep,
pages={487–490} }