Torres-Corredor, R. A., & Cadena-Ibarra, O. E. (2009). Hypocenters calculation for volcanic earthquakes associated with movement of fluid in the Galeras volcano, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Παραπομπή σε μορφή Chicago (17η εκδ.)Torres-Corredor, Roberto Armando, και Oscar Ernesto Cadena-Ibarra. Hypocenters Calculation for Volcanic Earthquakes Associated with Movement of Fluid in the Galeras Volcano, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Torres-Corredor, Roberto Armando, και Oscar Ernesto Cadena-Ibarra. Hypocenters Calculation for Volcanic Earthquakes Associated with Movement of Fluid in the Galeras Volcano, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2009.
