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.
Chicago-čujuhus (17. p.)Torres-Corredor, Roberto Armando, juo 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.
MLA-čujuhus (9. p.)Torres-Corredor, Roberto Armando, juo 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.
