@article{ref1,
title="Disappearing coast-defense guns",
journal="Scientific American",
year="1905",
author="",
volume="92",
number="16",
pages="320-322",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8733",
doi="",
url="http://dx.doi.org/"
}