Purcino, A. A. C. and Lynd, J. Q. (2014) “Effect of defoliation stress on regrowth and some nodule biochemical characteristics of "copada””, Pesquisa Agropecuaria Brasileira, 21(5), pp. 473–480. doi: 10.1590/S1678-3921.pab1986.v21.14800.