@article{ref1,
title="Automobile driver's driving time and rest breaks",
journal="Lakartidningen",
year="1977",
author="Andreasson, R.",
volume="74",
number="32",
pages="2701-2701",
abstract="Abstract unavailable.",
language="",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}