@article{ref1,
title="Memory based performance measures in studies of shiftwork",
journal="Ergonomics",
year="1978",
author="Monk, T. H. and Knauth, P. and Folkard, Simon and Rutenfranz, J.",
volume="21",
number="10",
pages="819-826",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}