@article{ref1,
title="Licensing and training of truck drivers: New and continuing challenges",
journal="IATSS research",
year="1999",
author="Horn, BE and Tardif, L",
volume="23",
number="1",
pages="16-25",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}