1. ‘Specification for CISPR radio interference measuring apparatus for the frequency range 25 MHz to 300 MHz’. CISPR Publication no. 2 (2nd edn.), 1975
2. ‘Man-made radio noise’, CCIR report, 258-2,
3. ‘Impulsive radio noise measurement (man-made and atmospheric)’, Report of Technical Committee, 12, International Electrotechnical Commission, 1978 (Radio communication) 12F/WG1, Pt. 9, Section 1