1. Alava, M., Self-organized criticality as a phase transition, in Advances in Condensed Matter and Statistical Mechanics, edited by E. Korutcheva and R. Cuerno, Nova Science Publishers, 2003.
2. Alex, S., S. Mukherjee, and B. M. Pathan, Multiple flare occurrences and the geomagnetic storm characteristics during solar cycle 23 ILWS workshop 2006, Goa, February 19–24, 2006.
3. Angelopoulos, V., J. P. McFadden, D. Larson, C. W. Carlson, S. B. Mende, H. Frey, T. Phan, D. G. Dibeck, K.-H. Glassmeier, U. Auster, E. Donovan, I. R. Mann, J. Rae, C. T. Russell, A. Runov, X.-Z Zhou, and L. Kepko, Tail reconnection, triggering substorm onset, Science, 321, 931–935, doi:10.1126/science.1160495, 2008.
4. Baker, D. N., Efforts of the Sun on the Earth’s environment, J. Atmos. Sol. Terr. Phys., 62, 1669–1681, 2000.
5. Balasis, G., I. A. Daglis, P. Kapiris, M. Mandea, D. Vassiliadis, and K. Eftaxias, From pre-storm to magnetic storms: a transition described in terms of fractal dynamics, Ann. Geophys., 24, 3557–3567, 2006.