The floating capacitor as a differential building block. - Manel Gasulla-Forner; Josep Jordana-Barnils; Ramon Pallas-Areny; Josep Maria Torrents (IEEE Trans. Instrum. Meas., 1998)

Subsurface resistivity measurements using square waveforms. - Manel Gasulla-Forner; Josep Jordana-Barnils; Ramon Pallas-Areny; Josep Maria Torrents (IEEE Trans. Instrum. Meas., 1998)