LEADER 00000nam 2200205 a 4500 001 0456901 003 UkHlHU 007 t 008 000511 1 1966 000 eng 040 UkHlHU 050 4 QC 961 B4 100 0 Bell, David A.,|d1930- 245 10 Some physical aspects of the ionosphere. 260 London :|bInstitution of Electronic and Radio Engineers, |c1966. 300 0000p. 500 pp. 217-226 Institution of Electronic and Radio Engineers Paper no.1070. 710 2 Institution of Electronic and Radio Engineers. 946 300 data invalid 946 6XX absent
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