Topaloglu, I., F. Korkmaz, H. Mamur, and R. Gurbuz. “Closed-Loop Speed Control of PM-BLDC Motor Fed by Six Step Inverter and Effects of Inertia Changes for Desktop CNC Machine”. Elektronika Ir Elektrotechnika, vol. 19, no. 1, Jan. 2013, pp. 7-10, doi:10.5755/j01.eee.19.1.3244.