@article{ref1,
title="Motives of murder and the personality of murderers",
journal="Przeglad Lekarski",
year="1971",
author="Szymusik, A.",
volume="27",
number="9",
pages="579-581",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2240",
doi="",
url="http://dx.doi.org/"
}