1. World Health Organization Environmental Health Criteria (WHO EHC): Extremely Low Frequency Electromagnetic Fields 2007
2. Geekzone News Number of mobile phone users worldwide to increase to 2 billion by 2007 August 8, 2003 http://www.geekzone.co.nz/content.asp?contentid=1245
3. Electrical wiring configurations and childhood cancer;Wertheimer;American Journal of Epidemiology,1979
4. Non-ionizing radiation. Part 1: Static and extremely low-frequency (ELF) electric and magnetic fields;International Agency for Research on Cancer (IARC);Monographs of the Evaluation of Carcinogenic Risks to Humans,2002
5. Public health impact of extremely low-frequency electromagnetic fields;Kheifets;Environ Health Perspectives,1999