Ortega-Montero, C., & Rojas-Martínez, E. (2017). The hydro-sediments characterization and the erosive processes of the rivers Cesar and Guatapurí, medium course. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ortega-Montero, Calixto, και Elías Rojas-Martínez. The Hydro-sediments Characterization and the Erosive Processes of the Rivers Cesar and Guatapurí, Medium Course. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.
Παραπομπή σε μορφή MLA (9th εκδ.)Ortega-Montero, Calixto, και Elías Rojas-Martínez. The Hydro-sediments Characterization and the Erosive Processes of the Rivers Cesar and Guatapurí, Medium Course. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.
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