Energy-efficient Level Shifter topology. - Roger Caputo-Llanos; Diego Sousa; Marco Terres; Guilherme Bontorin; Ricardo Reis 001; Marcelo O. Johann (PATMOS, 2015)

Quadrotor Modeling and a PID Control Approach. - César A. Cárdenas R.; Victor Hugo Grisales; Carlos Andrés Collazos Morales; Hernán Dario Ceron-Muñoz; Paola Ariza Colpas; Roger Caputo-Llanos (IHCI, 2019)