References
- American Conference of Governmental Industrial Hygienists . Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices for 1992–1993 . ACGIH . Cincinnati, OH
- American National Standards Institute . 1991 . Safety Levels with Respect to Human Exposure to Radiofrequency Electromagnetic Fields, 3 kHz to 300 GHz. ANSI C95.1 New York : ANSI .
- Baiswiki , R. S. and Deno , D. W. 1987 . Interference from 60 Hz Electric and Magnetic Fields on Personal Computers . IEEE Transactions on Power Delivery , April : 558 – 563 . V. PWRD-1, #2