@article{ref1,
title="Erratum to "Crowd dynamics discrete element multi-circle model" [Safety Science 44 (2006) 395-417]",
journal="Safety science",
year="2006",
author="Langston, Paul A. and Masling, Robert and Asmar, Basel N.",
volume="44",
number="10",
pages="947-947",
abstract="When this article was originally published there was an error in Equation number one (1). The correct equation is available by clicking the doi number link.<p />",
language="en",
issn="0925-7535",
doi="10.1016/j.ssci.2006.09.001",
url="http://dx.doi.org/10.1016/j.ssci.2006.09.001"
}