1. The European Parliament and The Council of The European Union. Directive 2003/10/EC of the European Parliament and of the Council of 6 February 2003 on the Minimum Health and Safety Requirements Regarding the Exposure of Workers to the Risks Arising from Physical Agents (noise), Official Journal of the European Union. 15.2.2003;L42:38–44.
2. Minister of Family, Labour and Social Policy, The Regulation of the of 12 June 2018, On the Maximum Admissible Concentrations and Intensities of Factors Harmful to Health in the Workplace. [in Polish: Rozporzadzenie Ministra Rodziny, Pracy i Polityki Spolecznej z dnia 12 czerwca 2018 r. w sprawie najwyzszych dopuszczalnych stezen i natezen czynników szkodliwych dla zdrowia w srodowisku pracy], Journal of Law. 2018; item 1286. 2018;1286:1–40.
3. Giguère C. Hearing loss prevention and auditory awareness in the noisy workplace. In: Crocker MJ, Paosawatyanyong B, Pawelczyk M, editors. Proceedings of the 20th International Congress on Sound and Vibration; 2013 Jul 7–11; Bangkok, Thailand. Red Hook (NY): Curran Associates, Inc. 2013. p. 1–13.
4. The reduction of gunshot noise and auditory risk through the use of firearm suppressors and low-velocity ammunition