@article{ref1,
title="On the Undercurrent Theory of the Ocean, as Propounded by Recent Explorers",
journal="Proceedings of the Royal Society of London",
year="1870",
author="Spratt, Captain",
volume="19",
number="",
pages="528-556",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0370-1662",
doi="",
url="http://dx.doi.org/"
}