- Considerations regarding the concept of cost-effective power-assist wheelchair subsystems (case study and initial evaluation)Galkin, Ilja; Podgornovs, Andrejs; Blinov, Andrei; Kosenko, RomanScientific Journal of Riga Technical University. Electrical, control and communication engineering2018 / p. 71-80 : ill https://doi.org/10.2478/ecce-2018-0008