L. Casanova, M. P. Suárez, V. M. Fernández-Cabanás, A. M. Morales-Sillero, M. R. Jiménez, and P. Rallo, “From the juvenile to the adult vegetative phase in olive seedlings: the transition along the stem axis”, Span. j. agric. res., vol. 12, no. 4, pp. 1149-1157, Nov. 2014.