Vojkan Kostić, Milutin Petronijević, Nebojša Mitrović, Bojan Banković, “EXPERIMENTAL VERIFICATION OF DIRECT TORQUE CONTROL METHODS FOR ELECTRIC DRIVE APPLICATION”, FACTA UNIVERSITATIS, Series: Automatic Control and Robotics, Vol. 8, No. 1, 2009, ISSN 1820-6417, UDC 621.313.33 004.424.451.2, pp. 111-126. (M52=1.5)