National regulatory authorities worldwide [CD-ROM]
IEEE STD 1139-1999 [documento electrónico] : IEEE Standard Definitions of Physical Quantities for Fundamental Frequency and Time Metrology: Random Instabilities / The Institute of Electrical and Electronics Engineers
IEEE STD 291-1991 : (Revision of IEEE std. 291-1969, revision and redesignation of IEEE Std. 284-1968 and IEEE Std. 302-1969): IEEE Standard methods for measuring electromagnetic field strength of sinusoidal continuous waves, 30 Hz to 30 GHz / IEEE Antennas and propagation Society sponsored by the Wave Propagation Standards Committee
IEEE Std. 437-1985 : IEEE Recommended practice for an electromagnetic site survey (10 KHz to 10 GHz) / IEEE [sponsored by the] Technical Committee 3 on Electromagnetic Environments of the IEEE Electromagnetic Compatibility Society