References:

• Anger, H.O., Instr. Soc. Am. Trans, 5, 311, 1966.
• Bratschi, O., A.G. Ghielmetti, E.G. Shelley, and H. Balsiger, Experimental tests of a mass-angle spectrograph with poloidal ion optics, Rev. Sci. Instr. 64, 184, 1993.
• Bryant, D.A., Electron acceleration in space plasmas, Ann. Geophysicae, 10, 333, 1992.
• Carlson, C.W., The fast auroral snapshot explorer, EOS, Trans. Amer. Geophys. U., 73, No. 23, June 9, p.249, 1992.
• Cladis, J.B., Parallel acceleration and transport of ions from polar ionosphere to plasma sheet, Geophys. Res. Lett., 13, 893, 1986.
• Collin, H.L., W.K. Peterson, and E.G. Shelley, Solar cycle variation of some mass dependent characteristics of upflowing beams of terrestrial ions, J. Geophys. Res., 92, 4757, 1987.
• Chappell, C.R., T.E. Moore, and J.H. Waite, Jr., The ionosphere as a fully adequate source of plasma for the Earth's magnetosphere, Cowley, S.W.H., The causes of convection in the Earth's magnetosphere: A review of developments during the IMS, Rev. of Geophys. and Space Physics, 20, 531, 1982.
• Fuselier, S.A, D.M. Klumpar, and E.G. Shelley, Ion reflection and transmission during reconnection at the Earth's subsolar magnetopause, Geophys. Res. Lett. 18, 139, 1991.
• Fuselier, S.A., E.G. Shelley, and D.M. Klumpar, Mass density and pressure changes across the dayside magnetopause, J. Geophys. Res., 98, 3935, 1993.
• Ghielmetti, A.G., H. Balsiger, R. Banninger, P. Eberhardt, J. Geiss, and D.T. Young, Calibration system for satellite and rocket-borne ion mass spectrometers in the energy range from eV/charge to 100 keV/charge, Rev. Sci. Instrum., 54, 425, 1983.
• Ghielmetti, A.G., and D.T. Young, A double-focusing toroidal mass spectrograph for energetic plasmas I, Theory, Nucl. Instr. and Meth., A258, 297, 1987.
• Ghielmetti, A.G., and E.G. Shelley, Angle, energy, and time-of-flight focusing with poloidal toroid electrostatic analyzers, Nucl. Instr. and Methods, A298, 181, 1990.
• Hudson, P.D., Discontinuities in an anisotropic plasma and their identification in the solar wind, Planet. Space Sci., 18, 1611, 1970.
• Kintner, P.M., and D.G. Gorney, A search for the plasma processes associated with perpendicular ion heating, J. Geophys. Res., 89, 937, 1984.
• Klumpar, D.M., S.A. Fuselier, and E.G. Shelley, Ion composition measurements within magnetospheric flux transfer events, Geophys. Res. Lett., 17, 2305, 1990.
• Lennartsson, W., E.G. Shelley, Survey of 0.1-16 keV/e plasma sheet ion composition, J. Geophys. Res. 91, 3061, 1986.
• Lockwood, M., J.H. Waite, Jr., T.E. Moore, J.F.E. Johnson, and C.R. Chappell, A new source of suprathermal O+ ions near the dayside polar cap boundary, J. Geophys. Res., 90, 4099, 1985.
• Martin, C. , P. Jelinsky, M. Lampton, R.F. Malina, and H.O. Anger, Rev. Sci. Instr., 52, 1067, 1981.
• Meng, C-I., M.J. Rycroft, and L.A. Frank, editors., Auroral Physics, Cambridge University Press, 1991.
• Redbook committee, Science Plan for the Global Geospace Science Mission of the International Solar-Terrestrial Physics Program, NASA, Goddard Space Flight Center, May, 1984.
• Reiff, P.H., H.L. Collin, J.D. Craven, J.L. Burch, J.D. Winningham, E.G. Shelley, L.A. Frank, and M.A. Friedman, Determination of auroral electrostatic potentials using high- and low-altitude particle distributions, J. Geophys. Res., 93, 7441, 1988.
• Rice, R.F., Some Practical Universal Coding Techniques, JPL Publication 79-22, 1979.
• Rice, R.F.,and Jun-J.Lee, Some Practical Universal Noiseless Coding Techniques, Part II, JPL Publication, 83-17, 1983.
• Rosenbauer, H., H. Gruenwaldt, M.D. Montgomery, G. Paschmann, and N. Skopke, Heos 2 plasma observations in the distant polar magnetosphere: The plasma mantle, J. Geophys. Res., 80, 2723, 1975.
• Schwarz, H.E., and J.S. Lapington, IEEE Trans. Nucl. Sci., NS32, 433, 1985.
• Shelley, E.G., R.G. Johnson, and R.D. Sharp, Satellite observations of energetic heavy ions during a geomagnetic storm, J. Geophys. Res., 77, 6104, 1972.
• Shelley, E.G., R.D. Sharp, and R.G. Johnson, He++ and H+ flux measurements in the day side cusp: Estimates of the convection electric field, J. Geophys. Res., 81, 2363, 1976.
• Shelley, E.G., A. Ghielmetti, E. Hertzberg, S.J. Battel, K. Altwegg-VonBurg, and H. Balsiger, The AMPTE CCE Hot Plasma Composition Experiment (HPCE), IEEE Trans. on Geoscience and Remote Sensing, GE-23, 241, 1985.
• Shelley, E.G., and H.L. Collin Auroral ion acceleration and its relationship to ion composition, Auroral Physics, C.-I.Meng, M.J. Rycroft, and L.A. Frank, eds., Cambridge University Press, 129, 1991.
• Sonnerup, B.U.O., I. Papamastorakis, G. Paschmann, and H. Luhr, The magnetopause for large magnetic shear: Analysis of convection electric fields from AMPTE/IRM, J. Geophys. Res., 95, 10541, 1990.
• Yau. A.W., P.H. Beckwith, W.K. Peterson, and E.G. Shelley, Long-term (solar-cycle) and seasonal variations of upflowing ionospheric ion events at DE 1 altitudes, J. Geophys. Res., 90, 6395, 1985a.
• Yau, A.W., E.G. Shelley, W.K. Peterson, and L. Lenchyshyn, Energetic auroral and polar cap ion outflow at DE 1 altitudes: Magnitude, composition, magnetic activity dependence, and long term variations, J. Geophys. Res., 90, 8417, 1985b.
• Young, D.T., H. Balsiger, and J. Geiss, Correlations of magnetospheric ion composition with geomagnetic and solar activity, J. Geophys. Res., 87, 9077, 1982.
• Young, D.T., J.A. Marshall, J.L. Burch, T.L. Booker, A.G. Ghielmetti, and E.G. Shelley, A double-focusing toroidal mass spectrograph for energetic plasmas II, Experimental results, Nucl. Instr. and Meth., A258, 304, 1987.
• Young, D.T. and J.A. Marshall, An isochronous poloidal geometry time-of-flight ion mass spectrometer for energetic space plasmas, Nucl. Instr. and Methods, A298, 227, 1990.