@article{ref1,
title="Are visual functions relevant to traffic safety?",
journal="Ophthalmologica",
year="1969",
author="Vos, Johannes J.",
volume="158",
number="Suppl",
pages="417-420",
abstract="Abstract unavailable.",
language="",
issn="0030-3755",
doi="",
url="http://dx.doi.org/"
}