@article{ref1,
title="Reading from microfiche, a VDT, and the printed page: subjective fatigue and performance",
journal="Human factors",
year="1986",
author="Cushman, William H.",
volume="28",
number="1",
pages="63-73",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}