@article{ref1,
title="Agricultural traumatism in southern Russia in the last quarter of the 19th century (based on the research of Zemstvo physicians)",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1977",
author="Kokhan, A. I.",
volume="",
number="11",
pages="52-54",
abstract="<p>[Abstract unavailable]</p> <p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}