@article{ref1,
title="A cognitive engineering analysis of the flight management system (FMS) vertical navigation (VNAV) function",
journal="Human factors and aerospace safety",
year="2001",
author="Sherry, Lance and Feary, Michael and Polson, P and Mumaw, R and Palmer, E.",
volume="1",
number="3",
pages="223-245",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1468-9456",
doi="",
url="http://dx.doi.org/"
}