Castro, O.F. de A. and Andrade, A.G. de 1998. Sweet-potato callus culture and behaviour in saline medium. Pesquisa Agropecuaria Brasileira. 33, 1 (Jan. 1998), 21–27. DOI:https://doi.org/10.1590/S1678-3921.pab1998.v33.4821.