1. Baring, M. G., Ogilvie, K. W., Ellison, D. C., and Forsyth, R. J.: 1995, ‘Acceleration of Solar Wind Ions by Oblique Interplanetary Shocks’, Adv. Space Res. 15, 385–388.
2. Barnes, C. W., and Simpson, J. A.: 1976, ‘Evidence for Interplanetary Acceleration of Nucleons in Corotating Interaction Regions’, Astrophys. J. 210, L91 - L94.
3. Burgess, D.: 1987, ‘Shock Drift Acceleration at Low Energies’, J. Geophys. Res. 92, 1,119–1,130. Burgess, D.: 1995, `Virtual Instruments for Space Plasmas’, ESA SP 371, 179–185.
4. Fisk, L. A.: 1976, ‘The Acceleration of Energetic Particles in Interplanetary Medium by Transit Time Damping’, J. Geophys. Res. 81, 4,633–4,640.
5. Fisk, L. A., and Lee, M. A.: 1980, ‘Shock Acceleration of Energetic Particles in Corotating Interaction Regions in the Solar Wind’, Astrophys. J. 237, 620–626.