Bravo, J.L. y Mota, A. 1987. Linear approximation for the interpretation of the "adze" observations with a dobson spectrophotometer at Mexico City. Geofísica Internacional. 26, 4 (oct. 1987), 545–554. DOI:https://doi.org/10.22201/igeof.00167169p.1987.26.4.1103.