Andrade, J. M. V. de; Albrecht, J. C.; Sousa, C. N. A. de; Braz, A. J. B. P.; Souza, M. A. de. EMBRAPA 21: A New Wheat Cultivar Recommended to the Brazilian States of Minas Gerais, Goiás, Mato Grosso and Federal District. PAB 1998, 33 (7), 1209-1213. https://doi.org/10.1590/S1678-3921.pab1998.v33.4924.