“Robust Discrete-Time Adaptive Sliding Mode WMR Trajectory Tracking and Parameter Identification”. 2004. The Annals of “Dunarea de Jos“ University of Galati. Fascicle III, Electrotechnics, Electronics, Automatic Control, Informatics 27 (October): 5-14. https://ojs.ugal.ro/index.php/eeaci/article/view/716.