1. Bargatze LF, McPherron RL, Minamora J, Weimer D (2005) Journal of Geophysical Research (Space Physics), 110, 7105 [ http://adsabs.harvard.edu/abs/2005JGRA..11007105B ]
2. Bortnik J, Thorne RM, Meredith NP (2007) Journal of Geophysical Research (Space Physics), 112, 8204 [ http://adsabs.harvard.edu/abs/2007JGRA..11208204B ]
3. Crooker, N. U. (2006), AGU Spring Meeting Abstracts, A2 [ http://adsabs.harvard.edu/abs/2006AGUSMSM23A..02C ]
4. Fox, P (2008) Virtual Observatories in Geosciences, Earth Science Informatics, Volume 1, Number 1 / April
5. Gjerloev JW, Barnes R (2008) AGU Spring Meeting Abstracts, A5 [ http://adsabs.harvard.edu/abs/2008AGUSMSM21A..05G ]