@article{ref1,
title="Effects of visual display units on the eyes: a bibliography (1972-1980)",
journal="Human factors",
year="1981",
author="Matula, R. A.",
volume="23",
number="5",
pages="581-586",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}