@article{ref1,
title="Statistical evaluation of visual acuity in owners of class 3 driving licenses",
journal="Klinische Monatsblätter für Augenheilkunde (1963)",
year="1970",
author="Gramberg-Danielsen, B.",
volume="157",
number="2",
pages="273-280",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0023-2165",
doi="",
url="http://dx.doi.org/"
}