Rouillard, A. P., Davies, J. A., Forsyth, R. J., Savani, N. P., Sheeley, N. R., Thernisien, A., Zhang, T.-L., Howard, R. A., Anderson, B. et al (2009) A solar storm observed from the Sun to Venus using the STEREO, Venus Express, and MESSENGER spacecraft. Journal of Geophysical Research, 114 (A7). ISSN 0148-0227