1. The solar cosmic rays of February 1956 and their propagation through interplanetary space;Meyer;Phys. Rev.,1956
2. The solar wind;Axford;Solar Phys.,1985
3. M. A. Lee, The solar wind termination shock and the heliosphere beyond, Proc. Solar Wind 6. V. J. Pizzo, T. E. Holzer, and D. G. Sime (eds), NCAR Technical Note NCAR/TN-306+Proc, 2, 635, (1988).
4. Interaction between the solar wind and the interstellar medium;Holzer;Ann. Rev. Astron. Astrophys.,1989
5. The interstellar cosmic ray spectrum and energy density. Interplanetary cosmic ray gradients and a new estimate of the boundary of the heliosphere;Webber;Astron. Astrophys.,1987