@article{ref1,
title="Cognitive Task Analysis of Expertise in Air Traffic Control",
journal="International journal of aviation psychology",
year="1993",
author="Seamster, Thomas L. and Redding, Richard E. and Cannon, John R. and Ryder, Joan M. and Purcell, Janine A.",
volume="3",
number="4",
pages="257-283",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="1050-8414",
doi="10.1207/s15327108ijap0304_2",
url="http://dx.doi.org/10.1207/s15327108ijap0304_2"
}