1. Speed observer for induction motor operating with sine-wave filter [in Polish];Guziński;Pomiary-Automatyka-Kontrola (Measurements and Automatics Control).,2007
2. Adamowicz M Guzinski J Control of sensorless electric drive with inverter output filter 2005
3. Sensorless control system of the induction motor and motor filter [in Polish];Guziński;Sigma NOT: Przeglad Elektrotechniczny (Electrotechnical Review),2006
4. Guziński J Włas M Closed loop control of speed sensorless drive with motor filter 2006
5. Guziński J Compensation of the sine-wave filter influence on control of induction motor [in Polish] 2006