“An Exact Method for Analysis of Kinematics for Mechanisms by Using Vectors Which Form Closed Polygons”. 2013. Analele Universităţii "Dunărea de Jos" Din Galaţi. Fascicula XIV, Inginerie Mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 20 (1): 57-60. https://ojs.ugal.ro/index.php/im/article/view/3573.