Current transducer based on thermoformed piezo-magnetic-electrets - Santos, Amélia Moreira; Moreira, Rui A.; Silveira, Tagleorge M.; Altafim, Ruy Alberto Pisani; Silva, Elvio P.; Santos, Polyane A.; Lima, Ronaldo M.; Altafim, Ruy Alberto Corrêa (IEEE Sensors Journal, 2024)