@article{ref1,
title="Proposals for uniform examinations of visual acuity in motor vehicle drivers",
journal="Klinische Monatsblätter für Augenheilkunde (1963)",
year="1964",
author="Spiecker, H. D.",
volume="145",
number="",
pages="610-615",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0023-2165",
doi="",
url="http://dx.doi.org/"
}