@article{ref1,
title="Theory and methods for analyzing errors in man-machine systems",
journal="Annals of the New York Academy of Sciences",
year="1951",
author="Chapanis, Alphonse",
volume="51",
number="7",
pages="1179-1203",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="10.1111/j.1749-6632.1951.tb27345.x",
url="http://dx.doi.org/10.1111/j.1749-6632.1951.tb27345.x"
}