Oliva-Urcia, B. López-Martínez, J. Maestro, A. Gil, A. Schmid, T. Lambán, L.J. Galé, C. Ubide, T. Lago, M. Magnetic fabric from Quaternary volcanic edifices in the extensional Bransfield Basin: Internal structure of Penguin and Bridgeman islands (South Shetlands archipelago, Antarctica) Geophys. j. int. 10.1093/gji/ggab177 2021 2021