@article{ref1,
title="Problems relating to aircrews in air transport design",
journal="Annals of the New York Academy of Sciences",
year="1951",
author="McFarland, Ross Armstrong",
volume="51",
number="7",
pages="1146-1158",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}