The elemental and isotopic abundance of metallic ions in the lower E-region as measured by a cryogenically pumped quadrupole mass spectrometer

Arnold, 1971, J. Atmos. Terr. Phys., 33, 1169, 10.1016/0021-9169(71)90104-8 Krankowsky, 1971, Radio Sci. Nier, 1964, J. Geophys. Res., 69, 979, 10.1029/JZ069i005p00979 Mauersberger, 1968, J. Geophys. Res., 73, 1071, 10.1029/JA073i003p01071 Spencer, 1963, III, 1151 Istomin, 1963, III, 209 Narcisi, 1965, J. Geophys. Res., 70, 3687, 10.1029/JZ070i015p03687 Swider, 1969, Planet. Space. Sci., 17, 1233, 10.1016/0032-0633(69)90014-2 Swider, 1970, Ann. Geophys., 26, 595 Whitehead, 1970, Rev. Geophys., 8, 65, 10.1029/RG008i001p00065 Hunten, 1967, J. Atmos. Sci., 24, 80, 10.1175/1520-0469(1967)024<0080:UASASW>2.0.CO;2 K. Folkestad, (1970) personal communication. Krankowsky, 1971 Rankama, 1950 Mason, 1966 Sandford, 1970, J. Atmos. Terr. Phys., 32, 1423, 10.1016/0021-9169(70)90102-9 Millman, 1963, 4 McKinley, 1961 Millman, 1971, Recent advances in meteor spectroscopy Millman, 1971, Cometary Meteoroids, Nobel Symposium - From Plasma to Planet