A Superconducting Permeameter for Characterizing Soft Magnetic Materials at High Fields. - Pasquale Arpaia; Marco Buzio; Susana Izquierdo Bermudez; Annalisa Liccardo; Alessandro Parrella; Mariano Pentella; Pedro M. Ramos; Edvard Stubberud (IEEE Trans. Instrum. Meas., 2020)