C. Lingerew and U. J. P. Raju, “Evaluations of the Characteristics of the Tropo-Strato-Mesopause Height and Temperature Variability over Bahir Dar, Ethiopia (11.60 N, 37.30 E) Using SABER”, j. of atmos. sci. res., vol. 4, no. 1, pp. 50–57, Jan. 2021.