@article{ref1,
title="The military revolution in warfare at sea during the early modern era: technological origins, operational outcomes and strategic consequences",
journal="Journal for maritime research",
year="2011",
author="Guilmartin, John F.",
volume="13",
number="2",
pages="129-137",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1469-1957",
doi="10.1080/21533369.2011.622890",
url="http://dx.doi.org/10.1080/21533369.2011.622890"
}