@article{ref1,
title="Studies of component- total task relations: order of component- total task practice and total task predictability",
journal="Human factors",
year="1968",
author="Freedle, R. O. and Zavala, A. and Fleishman, E. A.",
volume="10",
number="3",
pages="283-296",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}