An Earth gravity field model complete to degree and order 150 from GRACE: EIGEN-GRACE02S. Reigber C, Schmidt R, Flechtner F, et al. Journal of Geodynamics . 2005
An Earth gravity field model complete to degree and order 150 from GRACE: EIGEN-GRACE02S. Reigber C, Schmidt R, Flechtner F, et al. Journal of Geodynamics . 2005