@article{ref1,
title="A New Instrument for Measuring Pressures in a Gun",
journal="Proceedings of the National Academy of Sciences of the United States of America",
year="1919",
author="Webster, A. G. and Thompson, L. T.",
volume="5",
number="7",
pages="259-263",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0027-8424",
doi="",
url="http://dx.doi.org/"
}