@article{ref1,
title="A model for the social system for the multiman extended duration space ship",
journal="Aerospace medicine",
year="1966",
author="Sells, S. B.",
volume="37",
number="11",
pages="1130-1135",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}