Tofanelli, Mauro Brasil Dias, et al. “Effect of Indolebutyric Acid on Rooting Ability of Semihardwood Stem Cuttings of Peach”. Pesquisa Agropecuaria Brasileira, vol. 37, no. 7, July 2002, pp. 939-44, doi:10.1590/S1678-3921.pab2002.v37.6423.