@article{ref1,
title="Bridge sampling for evaluating structural impact of trucks",
journal="Journal of advanced transportation",
year="1992",
author="Ayyub, Bilal",
volume="",
number="",
pages="-",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0197-6729",
doi="",
url="http://dx.doi.org/"
}