@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",
pages="657-680",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0002-9394",
doi="",
url="http://dx.doi.org/"
}