@article{ref1,
title="The Efficacy of Head-Downand Head-Up Synthetic Vision Display Concepts for Retro- and Forward-Fit of Commercial Aircraft",
journal="International journal of aviation psychology",
year="2004",
author="Prinzel, Lawrence J. and Comstock, J. and Glaab, Louis J. and Kramer, Lynda J. and Arthur, Jarvis J. and Barry, John S.",
volume="14",
number="1",
pages="53-77",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1050-8414",
doi="10.1207/s15327108ijap1401_4",
url="http://dx.doi.org/10.1207/s15327108ijap1401_4"
}