@article{ref1,
title="Television viewing at home: distances and visual angles of children and adults",
journal="Human factors",
year="1985",
author="Nathan, J. G. and Anderson, Dana R. and Field, D. E. and Collins, P.",
volume="27",
number="4",
pages="467-476",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}