Montilla Pacheco, Argenis de Jesús, et al. “Teledetection As an Instrument for the Glacier Analysis in High-Mountain Ecuadorian Highland Environments”. Revista Electrónica REDINE, vol. 9, no. 2, Dec. 2017, pp. 9-17, https://mail.revistas.uclave.org/index.php/redine/article/view/501.