Exposure to high or low frequency noise at workplaces : differences between assessment, health complaints and implementation of adequate personal protective equipmentReinhold, Karin; Kalle, Sigrid; Paju, JanaAgronomy research2014 / p. 895-906 : ill https://agronomy.emu.ee/tag/frequency-analysis/ Journal metrics at Scopus Article at Scopus Töökeskkond ja ohutusTint, Piia; Uus, Endel2000 https://www.ester.ee/record=b1422813*est Töökeskkond ja ohutusTint, Piia2007 https://www.ester.ee/record=b2238349*est