1. Transelectrica SA. Annual Report 2006. Ars-Advertising Printing House, Bucharest, 2006.
2. Directive 2004/40/EC of the European Parliament and of the Council of 29 April 2004, 2004.
3. Council Recommendation of 12 July 1999 on the Limitation of Exposure of the General Public to Electromagnetic Fields (0 Hz to 300 GHz), 1999.
4. Official Romanian Gazette 895/2006. OMSF 1193, 2006.
5. Official Romanian Gazette 769/2006. HG 1136, 2006.