Diederix, H., Hernández, C., Torres, E., Osorio, J. A., & Botero, P. (2009). Preliminary results of the first paleoseismologic study along the Bucaramanga fault, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Chicago-čujuhus (17. p.)Diederix, Hans, Catalina Hernández, Eliana Torres, Jairo Alonso Osorio, juo Paola Botero. Preliminary Results of the First Paleoseismologic Study Along the Bucaramanga Fault, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2009.
MLA-čujuhus (9. p.)Diederix, Hans, et al. Preliminary Results of the First Paleoseismologic Study Along the Bucaramanga Fault, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2009.
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