@article{ref1,
title="Activity of the nervous system durig the let-down, approach and landing: a study of short duration high workload",
journal="Aerospace medicine",
year="1970",
author="Nicholson, A. N. and Hill, L. E. and Borland, R. G. and Ferres, H. M.",
volume="41",
number="4",
pages="436-446",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}