1
article
Published in 2013
Repository Repositorio Universidad Politécnica Salesiana
2
masterThesis
by Cobo Criollo, Guillermo; Orejuela Luna, Víctor; Pavón Trujillo, Carlos; Rosero Viera, Teodoro; Vargas Paredes, Alfonso
Published in 2003
Repository Repositorio Universidad Politécnica Salesiana