@article{ref1,
title="Time organization of work of air traffic controllers",
journal="Rivista di medicina aeronautica e spaziale",
year="1977",
author="Papin, J. P.",
volume="40",
number="1-2",
pages="165-180",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0035-631X",
doi="",
url="http://dx.doi.org/"
}