@article{ref1,
title="Human Factors in Air Accidents",
journal="British medical journal: BMJ",
year="1948",
author="No Author(s) Listed, ",
volume="2",
number="4569",
pages="261-261",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}