@article{ref1,
title="Development and Evaluation of a Background Attitude Indicator",
journal="International journal of aviation psychology",
year="1999",
author="Liggett, Kristen K. and Reising, John M. and Hartsock, David C.",
volume="9",
number="1",
pages="49-71",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="1050-8414",
doi="10.1207/s15327108ijap0901_4",
url="http://dx.doi.org/10.1207/s15327108ijap0901_4"
}