Ribeiro, T.L.P. et al. 2010. Phenological responses of Brazilian wheat cultivars to vernalization and photoperiod. Pesquisa Agropecuaria Brasileira. 44, 11 (Dec. 2010), 1383–1390. DOI:https://doi.org/10.1590/S1678-3921.pab2009.v44.2009.