@Article{acp-7-3143-2007,
AUTHOR = {Eresmaa, R. and J\"arvinen, H. and Niemel\"a, S. and Salonen, K.},
TITLE = {Asymmetricity of ground-based GPS slant delay data},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {7},
YEAR = {2007},
NUMBER = {12},
PAGES = {3143--3151},
URL = {http://www.atmos-chem-phys.net/7/3143/2007/},
DOI = {10.5194/acp-7-3143-2007}
}