@Article{adgeo-1-19-2003,
AUTHOR = {Han, S.-C. and Jekeli, C. and Shum, C. K.},
TITLE = {Static and temporal gravity field recovery using grace potential difference observables},
JOURNAL = {Advances in Geosciences},
VOLUME = {1},
YEAR = {2003},
PAGES = {19--26},
URL = {http://www.adv-geosci.net/1/19/2003/},
ISSN = {1680-7340}
}