@article{ref1,
title="Determination of counting time in visual inspection",
journal="Human factors",
year="1980",
author="Noro, K.",
volume="22",
number="1",
pages="43-55",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}