2019

Chulliat, A., W. Brown, P. Alken, S. Macmillan, M. Nair, C. Beggan, A. Woods, B. Hamilton, B. Meyer, and R. Redmon, Out-of-Cycle Update of the US/UK World Magnetic Model for 2015-2020: Technical Note, National Centers for Environmental Information, NOAA, doi:10.25921/xhr3-0t19, 2019.

Chulliat, A., U. Weckmann, O. Ritter, S. Gilder, M. Wack, E. Kronberg, and A. Prabhu, Geomagnetic and Electromagnetic Observations at Ground Level, in: Geomagnetism, Aeronomy and Space Weather: a Journey from the Earth's Core to the Sun, edited by M. Mandea, M. Korte, A. Yau and E. Petrovsky, Cambridge University Press, 350 p., 2019.