1. Council recommendation of 12 July 1999 on the limitation of exposure of the general public to electromagnetic fields (0 Hz to 300 GHz). 1999/519/EC, 1999.
2. Directive 2004/40/EC of the European parliament and of the council of 29 April 2004 on the minimum health and safety requirements regarding the exposure of workers to the risks arising from physical agents (electromagnetic fields). 18th individual directive within the meaning of Article 16(1) of Directive 89/391/EEC, 2004.
3. IEEE. IEEE standard for safety levels with respect to human exposure to electromagnetic fields, 0-3 kHz. IEEE Std C95.6, 2002.
4. Exposure to electromagnetic fields (0 Hz– 10 MHz). Pub 2000/6, Health Council of Netherlands, 2000.