Nõrgavoolu liugekontaktide triboloogia : väitekiri ... magistri kraadi taotlemiseksJakobson, Mart1998 https://www.ester.ee/record=b2687184*est 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 Tänaste nõrkvooluerialade avamine TPI-sEiner, LauriKõrgema tehnilise hariduse ja tehnilise mõtte areng Eestis1983 / lk. 163-171