@article{ref1,
title="Obscure deaths: an analysis of 103 cases in Finland 1967",
journal="American educational research journal",
year="1972",
author="Penttila, Antti and Tenhu, M. and Virkkunen, Matti",
volume="1",
number="1",
pages="61-66",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8312",
doi="",
url="http://dx.doi.org/"
}