@article{ref1,
title="The undertow",
journal="Science",
year="1938",
author="Evans, O. F.",
volume="88",
number="2282",
pages="279-281",
abstract="An early discussion of rip currents.<p />",
language="en",
issn="0036-8075",
doi="10.2307/1663829",
url="http://dx.doi.org/10.2307/1663829"
}