Hamawaki, Osvaldo Toshiyuki, et al. “UFUS Impacta: New Soybean Cultivar for Minas Gerais State”. Pesquisa Agropecuaria Brasileira, vol. 40, no. 5, May 2005, pp. 523-4, doi:10.1590/S1678-3921.pab2005.v40.6988.