Sensory nerve recording for closed-loop control to restore motor functions. - Dejan B. Popovic; Richard B. Stein; Ksenij Lj Jovanovic; Rongching Dai; Aleksandar Kostov; William W. Armstrong (IEEE Trans. Biomed. Eng., 1993)

Machine learning in control of functional electrical stimulation systems for locomotion. - Aleksandar Kostov; Brian J. Andrews; Dejan B. Popovic; Richard B. Stein; William W. Armstrong (IEEE Trans. Biomed. Eng., 1995)

Machine learning methods in assistive technologies. - Aleksandar Kostov (SMC, 1998)