@article{ref1,
title="Task analysis of shift change activity in aviation maintenance environment: Methods and findings",
journal="Human factors and aerospace safety",
year="2002",
author="Jiang, Xiancai and Master, R and Kelkar, K and Gramopadhye, Anand K.",
volume="2",
number="1",
pages="45-69",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1468-9456",
doi="",
url="http://dx.doi.org/"
}