@article{ref1,
title="Care for orphans in nineteenth century Warsaw",
journal="Acta poloniae historica",
year="1999",
author="Mazur, E.",
volume="",
number="79",
pages="123-133",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6829",
doi="",
url="http://dx.doi.org/"
}