@article{ref1,
title="Working conditions from the viewpoint of physiology, hygiene and work safety during the spraying of chemical substances from airplanes in agriculture",
journal="Pracovni Lekarstvi",
year="1963",
author="Stverák, J. and Tihelkova, D. and Chmelar, J.",
volume="15",
number="",
pages="95-99",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0032-6291",
doi="",
url="http://dx.doi.org/"
}