@article{ref1,
title="Psychiatric problems in rural environment",
journal="Psychiatria Polska",
year="1970",
author="Pionkowski, J. and Posel, Z.",
volume="4",
number="5",
pages="557-560",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2674",
doi="",
url="http://dx.doi.org/"
}