@article{ref1,
title="Bright lights, big noise. How effective are vehicle warning systems?",
journal="JEMS: a journal of emergency medical services",
year="1992",
author="De Lorenzo, R. A.",
volume="17",
number="6",
pages="57-60, 62",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0197-2510",
doi="",
url="http://dx.doi.org/"
}