Khamis, G., H. Abdelgawad, F. Schaarschmidt, and A. 3 P. 1*H. J. 1 and G.T.S. Beemster3,  "Morphological and biochemical responses of Balanites aegyptiaca to drought stress and recovery are provenance-dependent",  Journal of Agronomy and Crop Science, vol. 205, pp. 490?507, 2019.