@article{ref1,
title="Task analysis: Part I -: Guidelines for the practitioner",
journal="International journal of industrial ergonomics",
year="1998",
author="Landau, K. and Rohmert, W. and Brauchler, Regina",
volume="22",
number="1-2",
pages="3-11",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0169-8141",
doi="",
url="http://dx.doi.org/"
}