Development of Biped Robots at the National University of Colombia. - Máximo Alejandro Roa-Garzón; Ricardo Emiro Ramirez-Heredia; Diego Alexander Garzón-Alvarado (CLAWAR, 2005)

Extensive Modeling of a 3 DOF Passive Dynamic Walker. - Máximo Alejandro Roa-Garzón; Camilo A. Villegas; Ricardo Emiro Ramirez-Heredia (CLAWAR, 2005)