@article{ref1,
title="Various psychosocial and physiologic aspects of Belgian glider plane pilots",
journal="Bruxelles Medical",
year="1977",
author="S'Jongers, J. J. and Bertels, A. M. and Ego, F.",
volume="57",
number="7",
pages="309-320",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0068-3027",
doi="",
url="http://dx.doi.org/"
}