@article{ref1,
title="Improving the Accuracy of Pedestrian Traffic Counts",
journal="Journal of retailing",
year="1961",
author="Sands, SS",
volume="37",
number="2",
pages="33-33",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0022-4359",
doi="",
url="http://dx.doi.org/"
}