1. EN50400. 2006. Basic standard to demonstrate the compliance of fixed equipment for radio transmission (110 MHz-40 GHz) intended for use in wireless telecommunication network with the basic restrictions or the reference levels related to general public exposure to radio frequency electromagnetic fields, when put into service. Available from http://products.ihserc. com/Specs3j/controller?event=NAV_CONTROLLER&wl= 1&n=1005&sess=58569622&prod=SPECS3 (Subscription and purchase required).
2. FCC (Federal Communications Commission). 1997. Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields. OET Bulletin 65, U.S.A: FCC. Available from http://www.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet65/oet65. pdf.
3. Guidelines for limiting exposure to time varying electric, magnetic, and electromagnetic field (up to 300 GHz);ICNIRP;Health Phys,1998
4. RRL (Radio Research Laboratory). 2007. Technical Requirements for Measurements of Electromagnetic Field Strength. RRL Notice 2007-49. Seoul, Korea: RRL. Available from http://www. rrl.go.kr/join/databoard/law/view.jsp?lw_type=3&lw_seq=73 (Now, the Korean language only).
5. TTA (Telecommunications Technology Associations). 2006. Recommendation on Measurement Method of Exposure to Base Stations. TTAS.KO-06.0125, Seongnam-city, Korea: TTA. Available from http://www.tta.or.kr/Home2003/library/ttasDown.jsp?kind=ttastd&pk_num=TTAS.KO-6.0125 (Subscription required).