Maestri, D. M., Guzmán, G. A. and Giorda, L. M. (1998) “Correlation between seed size, protein and oil contents, and fatty acid composition in soybean genotypes”, Grasas y Aceites, 49(5-6), pp. 450–453. doi: 10.3989/gya.1998.v49.i5-6.757.