L. E. Becker, R. Pio, M. A. Campagnolo, I. M. Dalastra, P. N. Curi, and P. H. A. Moura, “Incision at the base and concentrations of indolbutyric acid on rooting of apical cuttings of ’Roxo de Valinhos’ fig tree”, Semina: Ciênc. Agrár., vol. 31, no. 4Sup1, pp. 1325–1330, Feb. 2011.