@article{ref1,
title="Sonic booms",
journal="Science",
year="1967",
author="Lowenfels, A. B. and Shurcliff, W. A.",
volume="158",
number="799",
pages="313-315",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="",
url="http://dx.doi.org/"
}