@article{ref1,
title="Effects of Supplementing Head-Down Displays With 3-D Audio During Visual Target Acquisition",
journal="International journal of aviation psychology",
year="2004",
author="Parker, Simon P.A. and Smith, S. E. and Stephan, Karen L. and Martin, R. L. and McAnally, Ken I.",
volume="14",
number="3",
pages="277-295",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="1050-8414",
doi="10.1207/s15327108ijap1403_4",
url="http://dx.doi.org/10.1207/s15327108ijap1403_4"
}