@article{ref1,
title="The Pennsylvania "Stop, Look and Listen" rule",
journal="University of Pennsylvania law review and American law register",
year="1920",
author="Townsend, Caspar W. B.",
volume="68",
number="2",
pages="173-176",
abstract="Concerns a case where a horse and buggy driver crossed a series of railroad tracks and was killed by a train. The buggy drivers vision was blocked by box-cars and the train driver did not sound the train's horn.<p />",
language="",
issn="0749-9833",
doi="10.2307/3694180",
url="http://dx.doi.org/10.2307/3694180"
}