Mariño-Martínez, Jorge Eliecer, and Andrés Martínez-Sánchez. 2018. “Analysis of Precipitation and Recharge of Aquifers in Tota and Ibagué (Colombia) from Stable Isotopes (18O and 2H)”. Revista Facultad De Ingeniería 27 (47):61-71. https://doi.org/10.19053/01211129.v27.n47.2018.7752.