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Daniel, A.Frost; Romanowicz, Barbara «On the orientation of the fast and slow directions of anisotropy in the deep inner core». Physics of the Earth and Planetary Interiors, 286, 2019, pàg. 101–110. Bibcode: 2019PEPI..286..101F. DOI: 10.1016/j.pepi.2018.11.006.
Dziewoński, A.M.; Gilbert, F. Gilbert «Solidity of the inner core of the Earth inferred from normal mode observations». Nature, 234, 5330, 24-12-1971, pàg. 465–466. Bibcode: 1971Natur.234..465D. DOI: 10.1038/234465a0.
Romanowicz, Barbara; Cao, Aimin; Godwal, Budhiram; Wenk, Rudy; Ventosa, Sergi; Jeanloz, Raymond «Seismic anisotropy in the Earth's innermost inner core: Testing structural models against mineral physics predictions». Geophysical Research Letters, 43, 1, 2016, pàg. 93–100. Bibcode: 2016GeoRL..43...93R. DOI: 10.1002/2015GL066734.
Denis, C.; Rogister, Y.; Amalvict, M.; Delire, C.; Denis, A. İbrahim; Munhoven, G. «Hydrostatic flattening, core structure, and translational mode of the inner core». Physics of the Earth and Planetary Interiors, 99, 3–4, 1997, pàg. 195–206. Bibcode: 1997PEPI...99..195D. DOI: 10.1016/S0031-9201(96)03219-0.
Tromp, Jeroen «Support for anisotropy of the Earth's inner core from free oscillations». Nature, 366, 6456, 1993, pàg. 678–681. Bibcode: 1993Natur.366..678T. DOI: 10.1038/366678a0.
Song, Xiaodong; Richards, Paul G. «Seismological evidence for differential rotation of the Earth's inner core». Nature, 382, 6588, 1996, pàg. 221–224. Bibcode: 1996Natur.382..221S. DOI: 10.1038/382221a0.
Smirnov, Aleksey V.; Tarduno, John A.; Evans, David A.D. «Evolving core conditions ca. 2 billion years ago detected by paleosecular variation». Physics of the Earth and Planetary Interiors, 187, 3–4, 8-2011, pàg. 225–231. Bibcode: 2011PEPI..187..225S. DOI: 10.1016/j.pepi.2011.05.003.
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Gomi, Hitoshi; Ohta, Kenji; Hirose, Kei; Labrosse, Stéphane; Caracas, Razvan; Verstraete, Matthieu J.; Hernlund, John W. «The high conductivity of iron and thermal evolution of the Earth's core». Physics of the Earth and Planetary Interiors, 224, 01-11-2013, pàg. 88–103. Bibcode: 2013PEPI..224...88G. DOI: 10.1016/j.pepi.2013.07.010.
Daniel, A.Frost; Romanowicz, Barbara «On the orientation of the fast and slow directions of anisotropy in the deep inner core». Physics of the Earth and Planetary Interiors, 286, 2019, pàg. 101–110. Bibcode: 2019PEPI..286..101F. DOI: 10.1016/j.pepi.2018.11.006.