@article{ref1,
title="Fixed-base-simulator evaluation of a pilot's terrain-following display with various modes of presenting information. Nasa tn d-1827",
journal="NASA contractor report. NASA CR.",
year="1964",
author="Wempe, T. E.",
volume="",
number="",
pages="1-37",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0565-7059",
doi="",
url="http://dx.doi.org/"
}