@article{ref1,
title="State of the hearing function in conductors on all-metal railroad cars",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1975",
author="Ostapkovich, V. E. and Zaslavskiĭ, I. E.",
volume="",
number="7",
pages="49-51",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}