Ruiz, Oscar E. “Geometric Constraint Subsets and Subgraphs in the Analysis of Assemblies and Mechanisms”. Ingeniería y Ciencia 2, no. 3 (June 1, 2006): 103–137. Accessed November 25, 2024. https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/489.