TY - JOUR A1 - Edberg, N. J. T. A1 - Brain, D. A. A1 - Lester, M. A1 - Cowley, S. W. H. A1 - Modolo, R. A1 - Fränz, M. A1 - Barabash, S. T1 - Plasma boundary variability at Mars as observed by Mars Global Surveyor and Mars Express JO - Ann. Geophys. J1 - ANGEO VL - 27 IS - 9 SP - 3537 EP - 3550 Y1 - 2009/09/25 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/27/3537/2009/ L1 - https://angeo.copernicus.org/articles/27/3537/2009/angeo-27-3537-2009.pdf DO - 10.5194/angeo-27-3537-2009 ER -