@article{ref1,
title="Toward a more musical foghorn",
journal="Human factors",
year="1974",
author="Frome, F. S. and Zerdy, G. A. and Molino, J. A.",
volume="16",
number="6",
pages="567-575",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}