1. 1) Council of the European Communities (1989) Council Directive 89/391/EEC on the introduction of measures to encourage improvements in the safety and health of workers at work. Official Journal of the European Communities, OJ L183, 29.6.1989, 1-8.
2. 2) European Parliament and the Council of the European Union (2002) Directive 2002/44/EC on the minimum health and safety requirements regarding the exposure of workers to the risks arising from physical agents (vibration). Official Journal of the European Communities, OJ L177, 6.7.2002, 13-9.
3. 3) European Commission (1994) Amended proposal for a Council Directive on the minimum Health and Safety requirements regarding the exposure of workers to the risks arising from physical agents, Official Journal of the European Communities, OJ C230, 19.8.1994, 3.
4. 4) International Organization for Standardization (2001)—Measurement and evaluation of human exposure to vibration transmitted to the hand—Part 1: General requirements.
5. 5) International Organization for Standardization (1997) ISO 2631-1, Mechanical vibration and shock—Evaluation of human exposure to whole-body vibration—Part 1: General requirements.