Gonçalves, M. de F.B. and Lima, J.A.A. 2014. Damages caused by strains of cowpea severe mosaic virus in <i>Vigna unguiculata</i> cv. Pitiuba. Pesquisa Agropecuaria Brasileira. 23, 1 (Apr. 2014), 33–40. DOI:https://doi.org/10.1590/S1678-3921.pab1988.v23.13773.