@article{ref1,
title="Pedestrian crossings",
journal="Traffic engineering and control",
year="1975",
author="Pillai, KS",
volume="16",
number="3",
pages="118-121",
abstract="Two articles presented by the author describe warrants for different types of pedestrian crossing based on delay to vehicles and a method to design cycle time for a signal-controlled pedestrian crossing.   <p>Language: en</p>",
language="en",
issn="0041-0683",
doi="",
url="http://dx.doi.org/"
}