1. F. Allegrini, N.A. Schwadron, D.J. McComas, G. Gloeckler, J. Geiss, J. Geophys. Res. 110, A05105 (2005). doi: 10.1029/2004JA010847
2. K. Altwegg, H. Balsiger, J. Geiss, R. Goldstein, W.-H. Ip, A. Meier, M. Neugebauer, H. Rosenbauer, E. Shelley, Astron. Astrophys. 279, 260–266 (1993)
3. M. Asplund, N. Grevesse, A.J. Sauval, in COSMIC ABUNDANCES as Records of Stellar Evolution and Nucleosynthesis in Honor of David L. Lambert, vol. 336, ed. by T.G. Barnes, III, F.N. Bash (Astronomical Society of the Pacific, 2005), p. 25
4. T.M. Bania, R.T. Rood, D.S. Balser, Nature 415, 54 (2002)
5. P. Bochsler, J. Geiss, S. Kunz, Sol. Phys 103, 177–201 (1986)