@article{ref1,
title="Analysis of industrial traumatism in the coal mines and its prognosis",
journal="Ortopediia travmatologiia i protezirovanie",
year="1976",
author="Tishchenko, A. N. and Mikhaĭlenko Semesenko, M. P. and Pervomaĭskiĭ, B. Ia and Sarancha, S. D.",
volume="",
number="5",
pages="77-80",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0030-5987",
doi="",
url="http://dx.doi.org/"
}