@article{ref1,
title="Crisis in chronic problem families",
journal="International psychiatry clinics",
year="1971",
author="Zilbach, J. J.",
volume="8",
number="2",
pages="87-99",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-8426",
doi="",
url="http://dx.doi.org/"
}