@article{ref1,
title="Seeing in the street traffic",
journal="Bucherei des Augenarztes",
year="1964",
author="Gramberg-Danielsen, B.",
volume="43",
number="",
pages="1-77",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0068-3361",
doi="",
url="http://dx.doi.org/"
}