Broadband excitation for short-time impedance spectroscopyMin, Mart; Pliquett, Uwe; Nacke, T.; Barthel, A.; Annus, Paul; Land, RaulPhysiological measurement2008 / 6, p. S185-S192 : ill Process instrumentation for impedance spectroscopy - a modular conceptNacke, T.; Land, Raul; Barthel, A.BEC 2008 : 2008 International Biennial Baltic Electronics Conference : proceedings of the 11th Biennial Baltic Electronics Conference : Tallinn University of Technology : October 6-8, 2008, Tallinn, Estonia2008 / p. 235-238 Signals in bioimpedance measurement : different waveforms for different tasksMin, Mart; Pliquett, Uwe; Nacke, T.; Barthel, A.; Annus, Paul; Land, Raul13th International Conference on Electrical Bioimpedance and 8th Conference on Electrical Impedance Tomography 2007 : ICEBI2007 : August 29th - September 2nd 2007, Graz, Austria2007 / p. 181-184 https://www.researchgate.net/publication/226357858_Signals_in_bioimpedance_measurement_Different_waveforms_for_different_tasks