@article{ref1,
title="Acute skull injury and loss of the visual field",
journal="Ophthalmologica",
year="1969",
author="Markwalder, H.",
volume="159",
number="1",
pages="55-64",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0030-3755",
doi="",
url="http://dx.doi.org/"
}