1. Breech, B., Matthaeus, W.H., Minnie, J., Oughton, S., Parhi, S., Bieber, J.W., Bravassano, B. Radial evolution of cross helicity at low and high latitudes in the solar wind. In: Fleck, B., Zurbuchen, T.H., Lacoste, H. (Eds.), Solar Wind 11/SOHO 16, 592, Connecting Sun and Heliosphere, pp. 597–600, 2005.
2. Rigidity dependence of cosmic ray proton latitudinal gradients measured by the Ulysses spacecraft: implications for the diffusion tensor;Burger;J. Geophys. Res.,2000
3. A Fisk-Parker hybrid heliospheric magnetic field with a solar-cycle dependence;Burger;Astrophys. J.,2008
4. Anomalous cosmic ray oxygen gradients throughout the heliosphere;Cummings;Geophys. Res. Lett.,1995
5. Anomalous cosmic rays: observations;Cummings;Adv. Space Res.,1999