@article{ref1,
title="Use of punched cards in keeping records of injuries in agriculture",
journal="Feldsher i Akusherka",
year="1970",
author="Larin, V. B.",
volume="35",
number="8",
pages="3-5",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0014-9772",
doi="",
url="http://dx.doi.org/"
}