@article{ref1,
title="The rifle and its bullet: a short history of fireaarms and the bullets they use",
journal="Scientific American",
year="1915",
author="",
volume="",
number="Suppl 2077",
pages="208-209",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0036-8733",
doi="",
url="http://dx.doi.org/"
}