González-Navarrete, J. C., J. Salamanca, and I. M. Pinzón-Verano. “Ozone Layer Adaptive Model from Direct Relationship Between Solar Activity and Total Column Ozone for the Tropical Equator-Andes-Colombian Region”. Atmósfera, vol. 31, no. 2, Mar. 2018, pp. 155-64, doi:10.20937/ATM.2018.31.02.04.