@article{ref1,
title="In defence of the two-tone horn",
journal="Applied ergonomics",
year="1981",
author="McClelland, I. L.",
volume="12",
number="3",
pages="186-7; author reply 187",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-6870",
doi="",
url="http://dx.doi.org/"
}