LEADER 00000nam 2200265 a 4500 001 0444257 003 UkHlHU 007 t 008 002210 1 1963 000 eng 040 UkHlHU 050 4 QC 100 U5 M75(60) 110 2 United States, National Bureau of Standards. 245 10 Influence of a sector ground screen on the field of a vertical antenna. 260 Washington, D.C. :|bU.s. Govt. Printing Office,|c1963. 300 23p. 440 0 National Bureau of Standards: monograph 60 650 0 Measurement. 650 0 Metrology|xPhysics. 650 0 Metric system|xPhysics. 700 1 Wait, James Richard. 700 1 Walters, Lillie C. 946 650 |a & |x subfields only. In at least one case all subfields comprise single words only -- Check for Geac subject headings 946 650 has non-LCSH elements -- Check for Geac subject headings
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