@article{Nishimura2010a, author = "Y. Nishimura and L. R. Lyons and S. Zou and X. Xing and V. Angelopoulos and S. B. Mende and J. W. Bonnell and D. Larson and U. Auster and T. Hori and N. Nishitani and K. Hosokawa and G. Sofko and M. Nicolls and C. Heinselman", title = "Preonset time sequence of auroral substorms: Coordinated observations by all-sky imagers, satellites, and radars", year = 2010 , journal = "J. Geophys. Res.", volume = 115, keywords = "amisr, pfisr, pfrr", doi = "10.1029/2010JA015832" }