@article{ref1,
title="The relationship of fields of vision to safety in driving; with a report of 680 drivers examined by various screening methods",
journal="American journal of ophthalmology",
year="1957",
author="Danielson, R. W.",
volume="44",
number="5, Part 1",
pages="657-680",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9394",
doi="",
url="http://dx.doi.org/"
}