@article{ref1,
title="A narrative concerning the success of pendulum-watches at sea for the longitudes",
journal="Philosophical transactions of the Royal Society of London (1665)",
year="1665",
author="",
volume="1",
number="1",
pages="13-15",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0370-2316",
doi="",
url="http://dx.doi.org/"
}