Marek Moravec. "MEASUREMENT OF NOISE EMITTED BY THE VACUUM CLEANERS NOZZLES BY THE DYNAMIC NOISE VISUALIZATION METHODS." 14th International Multidisciplinary Scientific GeoConference SGEM 2014, Ecology, Environmental Economics, Education, and Legislation, Vol. 14, Book 5, Volume 1 (2014). https://doi.org/10.5593/sgem2014/b51/s20.058