6384 20230209223311.0 10.3847/PSJ/ac6ce2 DOI SCART-2023-0126 Rekier, Jérémy Free Core Nutation and Its Relation to the Spin-over Mode 2022 EU/ ERC/ GRACEFUL NO The Planetary Science Journal 3 2022 6 133 veronique.dehant@observatoire.be https://iopscience.iop.org/article/10.3847/PSJ/ac6ce2 published in REFERD