@article{ref1,
title="Compatibility and resource competition between modalities of input, central processing, and output",
journal="Human factors",
year="1983",
author="Wickens, Christopher D. and Sandry, D. L. and Vidulich, M.",
volume="25",
number="2",
pages="227-248",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}