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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTorres-Corredor, Roberto Armando, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTorres-Corredor, Roberto Armando, और 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.
