@InProceedings{Kowal:1998,
author
=
"E.Kowal",
title
=
"The cost of a permanent lowering of a level of noise at work stations",
booktitle
=
"Noise Control '98 11th International Conference : Proceedings; ISBN: 8387354317",
address
=
"Krynica, Polska",
publisher
=
"Warsaw Central Institute for Labour Protection ",
pages
=
"556--560",
organization
=
"The Acoustics Committee of the Polish Academy of Sciences, Polish Acoustics Society, Departament of Mechanics and Vibroacoustics of the University of Mining and Metallurgy, Central Institute for Labour Protection, Building Research Institute",
year
=
"1998",
}