Vieira, Rogério Faria, et al. “Sowing Dates for Early Lentil Cultivars in Four Regions of Minas Gerais, Brazil”. Pesquisa Agropecuaria Brasileira, vol. 34, no. 7, July 1999, pp. 1233-40, doi:10.1590/S1678-3921.pab1999.v34.5322.