@article{ref1,
title="Estimating a Mental Workload Redline in a Simulated Air-to-Ground Combat Mission",
journal="International journal of aviation psychology",
year="2005",
author="Colle, H. A. and Reid, G. B.",
volume="15",
number="4",
pages="303-319",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="1050-8414",
doi="10.1207/s15327108ijap1504_1",
url="http://dx.doi.org/10.1207/s15327108ijap1504_1"
}