@article{ref1,
title="Some medical aspects in agricultural flights relating to fatigue among agricultural pilots",
journal="Aerospace medicine",
year="1970",
author="Baruch, D.",
volume="41",
number="4",
pages="447-450",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}