@article{ref1,
title="The field engineer--ambassador without portfolio",
journal="Human factors",
year="1965",
author="Graffis, L. F.",
volume="7",
number="4",
pages="379-386",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}