@article{ref1,
title="Role and tasks of the institute of occupational hygiene in rural areas",
journal="Zdrowie Publiczne - Polskie Towarzystwo Higjeniczne",
year="1954",
author="PARNAS, Josef",
volume="2",
number="",
pages="151-156",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0044-2011",
doi="",
url="http://dx.doi.org/"
}