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1972 - 1979
- Armstrong, T. P.,
S. M. Krimigis, D. V. Reames, and C. E. Fichtel,
A Comparison of
Measurements of the Charge Spectrum of Solar Cosmic Rays from Nuclear Emulsions
and the Explorer 35 Solid State Detector, J. Geophys. Res., 77,
3607-3612, doi:10.1029/JA077i019p03607, 1972.
- Armstrong, T. P. and
S. M. Krimigis,
Measurements of the
Relative Abundances of Fe-group, He, and M-nuclei during the October 29, 1972 Solar
Particle Event, Proc. 13th International Cosmic Ray Conf. (Denver, Colorado, Aug. 17
to Aug. 30, 1973), 2, 1510-1515, 1973.
- Krimigis, S. M., J. W. Kohl, and
T. P. Armstrong,
The
Magnetospheric Contribution to the Quiet Time Low Energy Nucleon Spectrum in the
Vicinity of Earth, Geophys. Res. Lett., 2, 457-460, 1975.
- Contributions to the Fourteenth
International Cosmic Ray Conference, Johns Hopkins University Applied Physics
Laboratory preprint, June 1975.
- Armstrong, T. P.,
S. M. Krimigis, D. Hovestadt, B. Klecker and G. Gloeckler,
Observations of Temporal and Spatial
Variations in the Fe/O Charge Compositions of the Solar Particle Event of July 4,
1974, Solar Phys., 49, 395-407, doi:10.1007/BF00162460,
doi:10.1007/BF00162460, 1976.
- Sarris, E. T., S. M. Krimigis, T. Iijima, C. O. Bostrom and
T. P. Armstrong,
Location
of the Source of Magnetospheric Energetic Particle Bursts by Multispacecraft Observations,
Geophys. Res. Lett., 3, 437-440, 1976.
- Sarris, E. T., S. M. Krimigis and
T. P. Armstrong,
Observations
of a High Energy Shock Spike in Interplanetary Space, Geophys. Res. Lett.,
3, 133-136, 1976.
- Armstrong, T. P.,
and S. M. Krimigis,
Interplanetary Acceleration of
Relativistic Electrons Observed with IMP-7, J. Geophys. Res., 81,
677-682, doi:10.1029/JA081i004p00677, 1976.
- Sarris, E. T., S. M. Krimigis and
T. P. Armstrong,
Observations of Magnetospheric
Bursts of High Energy Protons and Electrons at 35 Re with IMP-7, J. Geophys.
Res., 81, 2341-2355, doi:10.1029/JA081i013p02341, 1976.
- Kirsch, E., S. M. Krimigis, E. T. Sarris, R. P. Lepping and
T. P. Armstrong,
Possible Evidence for Large,
Transient Electric Fields in the Magnetotail from Oppositely Directed Anisotropies
of Energetic Protons and Electrons, Geophys. Res. Lett., 4,
137-140, doi:10.1029/GL004i004p00137, 1977.
- Sarris, E. T., S. M. Krimigis, C. O. Bostrom and
T. P. Armstrong,
Simultaneous
Multispacecraft Observations of Energetic Proton and Electron Bursts Inside and
Outside the Magnetosphere, J. Geophys. Res., 83, 4289-4305,
doi:10.1029/JA083iA09p04289, 1978.
- Armstrong, T. P.,
S. M. Krimigis and R. P. Lepping,
Magnetosheath Bursts of
Predominantly Medium Nuclei Observed with IMP-8 on February 16, 1974, J.
Geophys. Res., 83, 5198-5206, doi:10.1029/JA083iA11p05198, 1978.
- Zwickl, R. D., E. C. Roelof, R. E. Gold, S. M. Krimigis and
T. P. Armstrong,
Z-rich Solar Particle Event Characteristics
1972-1976, Astrophys. J., 225, 281-303, doi:10.1086/156491, 1978.
- Briggs, P. R., T. P.
Armstrong and S. M. Krimigis,
Hydrogen over Helium Enhancement in
Successive Solar Flare Particle Events from the Same Active Region, Astrophys. J.
Lett., 228, L83, doi:10.1086/182909, 1979.
- Decker, R. B. and T. P.
Armstrong,
A Study of Solar Electron Events
from October 1972 through December 1974 from IMPs 7 and 8, J. Geophys. Res.,
84, 7334-7347, doi:10.1089/JA084iA12p07334, 1979.
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