de Souza, J. G. and da Silva, J. V. (1991) “Partitioning of assimilates in cotton from super-okra and normal leaves cultivars”, Pesquisa Agropecuaria Brasileira, 26(11/12), pp. 1937–1945. doi: 10.1590/S1678-3921.pab1991.v26.3547.