@article{ref1,
title="A "new" stinging jellyfish in the Netherlands, Gonionemus vertens L. Agassiz",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1979",
author="van Duren, J. A. and Knook, H. L.",
volume="123",
number="50",
pages="2151-2152",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}