@article{ref1,
title="Midtown Underground Pedestrian Connections Study",
journal="Journal of transportation engineering",
year="1983",
author="Benz, GP and Lutin, JM",
volume="109",
number="4",
pages="487-498",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0733-947X",
doi="",
url="http://dx.doi.org/"
}