Instrumentation for ENG and EMG recordings in FES systems. - Zoran M. Nikolic; Dejan B. Popovic; Richard B. Stein; Zoltan Kenwell (IEEE Trans. Biomed. Eng., 1994)

Predicting quadriceps muscle activity during gait with an automatic rule determination method. - Zoran M. Nikolic; Dejan B. Popovic (IEEE Trans. Biomed. Eng., 1998)