@article{ref1,
title="Human factors aspects of lightplane safety. Rep 63-35",
journal="Report. Civil Aeromedical Research Institute (U.S.)",
year="1963",
author="Pearson, R. G.",
volume="",
number="",
pages="1-13",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}