@article{ref1,
title="The Domain of Truck and Bus Safety Research",
journal="Transportation research circular",
year="2007",
author="No Author(s) Listed, ",
volume="",
number="E-C117",
pages="160 pages-160 pages",
abstract="This circular explores information and perspectives on truck and bus safety research. The report is designed to help establish a knowledge base and help identify potential future activities.<p />",
language="",
issn="0097-8515",
doi="",
url="http://dx.doi.org/"
}