@article{ref1,
title="Visual standards for motor vehicle operation",
journal="Suomen Laakarilehti. Finlands Lakartidning",
year="1952",
author="Raski, K.",
volume="16",
number="",
pages="643-652",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0039-5560",
doi="",
url="http://dx.doi.org/"
}