1. Aldridge, K.D., Axisymmetric Inertial Oscillations of a Fluid in a Rotating Spherical Shell, Mathematica, 1972, vol. 19, pp. 163–168.
2. Geophysical Monograph;V. Dehant,1987
3. Groten, E. and Molodensky, S.M., Anelastic Properties of the Mantle and Love Numbers Consistent with Modern VLBI Data, J. Geodesy, 1996, vol. 270, no. 1, pp. 603–621.
4. Gwinn, C.R., Herring, T.A., and Shapiro, I.I., Geodesy by Radio Interferometry: Studies of the Forced Nutation of the Earth. 2.Interpretation, J. Geophys. Res., 1986, vol. 91, no. B5, pp. 4755–4765.
5. Herring, T.A., Gwinn, C.R., and Shapiro, I.I., Geodesy by Radio Interferometry: Studies of the Forced Nutation of the Earth. 1. Data Analysis, J. Geophys. Res., 1986, vol. 91, no. B5, pp. 4745–4754.