"University of Colorado. Department of Electrical Engineering." . . "United States. National Bureau of Standards." . . . . . . . . "Input impedance of a probe antenna exciting a TEM cell"@en . "Input impedance of a probe antenna exciting a TEM cell" . . . . . . . . . . . . "INPUT IMPEDANCE OF A PROBE ANTENNA EXCITING A TEM CELL"@en . . . . . "Input Impedance of a Probe Antenna Exciting a TEM Cell" . . . . . . . . . . .