Rodríguez, G., and D. Ramírez. “A Note on the Size of the ADF Test With Additive Outliers and Fractional Errors. A Reappraisal about the (Non)Stationarity of the Latin-American Inflation Series”. Economia, Vol. 37, no. 73, Aug. 2014, pp. 113-32, doi:10.18800/economia.201401.005.