1
article
Published in 2008
Repository Repositorio Universidad Politécnica Salesiana
2
article
by Fajardo Heras, Hernán; Barrera Maura, Manuel; Robles Bykbaev, Vladimir; Timbi Sisalima, Cristian; Calle Ortiz, Eduardo
Published in 2014
Repository Repositorio Universidad Politécnica Salesiana