RIBEIRO, M. L. L.; IDA, E. I.; OLIVEIRA, M. C. N. DE. Germination effect of soybean cv. BR-13 and ParanĂ¡ on phitic acid, total P and trypsin inhibitors levels. Pesquisa Agropecuaria Brasileira, v. 34, n. 1, p. 31–36, 1 Jan.1999.