@article{ref1,
title="Physiological changes in, and injuries of agricultural machine operators during periods of planting and harvesting",
journal="Gigiena i Sanitariia",
year="1967",
author="Baulin, N. A.",
volume="32",
number="9",
pages="91-92",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}