@article{ref1,
title="A controlled study of the effects upon the brains of guinea pigs of ultrasonic waves generated by turbo-jet engines",
journal="Journal of aviation medicine",
year="1950",
author="Wilcox, H. H. and Windle, W. F.",
volume="21",
number="2",
pages="85-89",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0095-991X",
doi="",
url="http://dx.doi.org/"
}