Dornelas, M.C. et al. 1991. Effects of source and age of explant, light radiation and combinations of NAA and BAP on the induction of <i>Stylosanthes scabra</i> Vog. Calli. Pesquisa Agropecuaria Brasileira. 26, 11/12 (Oct. 1991), 1901–1909. DOI:https://doi.org/10.1590/S1678-3921.pab1991.v26.3542.