@article{ref1,
title="Human tolerance to low frequency sound",
journal="Transactions - American Academy of Ophthalmology and Otolaryngology",
year="1966",
author="Alford, B. R. and Jerger, J. F. and Coats, A. C. and Billingham, J. and French, B. O. and McBrayer, R. O.",
volume="70",
number="1",
pages="40-47",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-7154",
doi="",
url="http://dx.doi.org/"
}