@Article{angeo-27-3537-2009,
AUTHOR = {Edberg, N. J. T. and Brain, D. A. and Lester, M. and Cowley, S. W. H. and Modolo, R. and Fr\"anz, M. and Barabash, S.},
TITLE = {Plasma boundary variability at Mars as observed by Mars Global Surveyor and Mars Express},
JOURNAL = {Annales Geophysicae},
VOLUME = {27},
YEAR = {2009},
NUMBER = {9},
PAGES = {3537--3550},
URL = {https://angeo.copernicus.org/articles/27/3537/2009/},
DOI = {10.5194/angeo-27-3537-2009}
}