Introduced in the earth's interior models, the increase of the core flattening, the mantle inelasticity, and the resonance effects of the free inner core nutation, improve significantly the agreement between observed and theoretical nutations
van Marcke de Lummen-Dehant, V. (1992). Introduced in the earth’s interior models, the increase of the core flattening, the mantle inelasticity, and the resonance effects of the free inner core nutation, improve significantly the agreement between observed and theoretical nutations. https://hdl.handle.net/2078.5/99061