@article{ref1,
title="Annex 1 to the International Civil Aviation Convention. "Psycho-physical qualifications". International recommended standards and practices. Certifications of the personnel. Sixth edition. April, 1973",
journal="Rivista di medicina aeronautica e spaziale",
year="1978",
author="Ruggieri, G.",
volume="41",
number="1",
pages="143-172",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0035-631X",
doi="",
url="http://dx.doi.org/"
}