@article{ref1,
title="Another marble (author's transl)",
journal="Tijdschrift voor Diergeneeskunde",
year="1976",
author="Venker-van Haagen, A. J.",
volume="101",
number="5",
pages="243-244",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0040-7453",
doi="",
url="http://dx.doi.org/"
}