@article{ref1,
title="Nitro-cellulose vs. nitro-glycerine smokeless powders",
journal="Scientific American",
year="1901",
author="",
volume="84",
number="18",
pages="274-274",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8733",
doi="",
url="http://dx.doi.org/"
}