@article{ref1,
title="Psychopathologic syndromes in Air Force flight instructors",
journal="Rivista di medicina aeronautica e spaziale",
year="1968",
author="Longo, L.",
volume="31",
number="1",
pages="56-87",
abstract="<p>[Abstract unavailable]</p> <p>Language: it</p>",
language="it",
issn="0035-631X",
doi="",
url="http://dx.doi.org/"
}