@Article{angeo-27-1129-2009,
AUTHOR = {Zhu, P. and Raeder, J. and Germaschewski, K. and Hegna, C. C.},
TITLE = {Initiation of ballooning instability in the near-Earth plasma sheet prior to the 23 March 2007 THEMIS substorm expansion onset},
JOURNAL = {Annales Geophysicae},
VOLUME = {27},
YEAR = {2009},
NUMBER = {3},
PAGES = {1129--1138},
URL = {https://angeo.copernicus.org/articles/27/1129/2009/},
DOI = {10.5194/angeo-27-1129-2009}
}