@Article{angeo-16-974-1998,
AUTHOR = {Su, Y. Z. and Bailey, G. J. and Oyama, K.-I.},
TITLE = {Annual and seasonal variations in the low-latitude topside ionosphere},
JOURNAL = {Annales Geophysicae},
VOLUME = {16},
YEAR = {1998},
NUMBER = {8},
PAGES = {974--985},
URL = {https://angeo.copernicus.org/articles/16/974/1998/},
DOI = {10.1007/s00585-998-0974-0}
}