@article{ref1,
title="A Mathematical Model of Glide-Slope Perception in the Visual Approach to Landing",
journal="International journal of aviation psychology",
year="1998",
author="Galanis, George and Jennings, Andrew and Beckett, Paul",
volume="8",
number="2",
pages="83-101",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="1050-8414",
doi="10.1207/s15327108ijap0802_1",
url="http://dx.doi.org/10.1207/s15327108ijap0802_1"
}