Earth Planets and Space Earth Planets and Space, Springer/Terra Scientific Publishing Company, 2021, 73, pp.49. ⟨10.1186/s40623-020-01288-x⟩ E-Prints Complutense: Archivo Institucional de la UCM Universidad Complutense de Madrid Earth Planets and Space, 2021, 73, pp.49. ⟨10.1186/s40623-020-01288-x⟩ Alken, P, Thébault, E, Beggan, C D, Amit, H, Aubert, J, Baerenzung, J, Bondar, T N, Brown, W J, Califf, S, Chambodut, A, Chulliat, A, Cox, G A, Finlay, C C, Fournier, A, Gillet, N, Grayver, A, Hammer, M D, Holschneider, M, Huder, L, Hulot, G, Jager, T, Kloss, C, Korte, M, Kuang, W, Kuvshinov, A, Langlais, B, Léger, J-M, Lesur, V, Livermore, P W, Lowes, F J, Macmillan, S, Magnes, W, Mandea, M, Marsal, S, Matzka, J, Metman, M C, Minami, T, Morschhauser, A, Mound, J E, Nair, M, Nakano, S, Olsen, N, Pavón-Carrasco, F J, Petrov, V G, Ropp, G, Rother, M, Sabaka, T J, Sanchez, S, Saturnino, D, Schnepf, N R, Shen, X, Stolle, C, Tangborn, A, Tøffner-Clausen, L, Toh, H, Torta, J M, Varner, J, Vervelidou, F, Vigneron, P, Wardinski, I, Wicht, J, Woods, A, Yang, Y, Zeren, Z & Zhou, B 2021, ' International Geomagnetic Reference Field: the thirteenth generation ', Earth, Planets and Space, vol. 73, no. 1 . https://doi.org/10.1186/s40623-020-01288-x Earth, Planets and Space, 73 (1) E-Prints Complutense. Archivo Institucional de la UCM instname Earth, Planets and Space, Vol 73, Iss 1, Pp 1-25 (2021)